COVID-19 pandemic in California

The first case relating to the COVID-19 pandemic in the U.S. state of California was confirmed on January 26, 2020.[5] A state of emergency has been in place in the state since March 4, 2020. A mandatory statewide stay-at-home order was issued on March 19. As of August 9, 2020, the California Department of Public Health (CDPH) reported 561,911 confirmed cases and 8,337 deaths in the state.[2]

This article is about the pandemic in the state of California as a whole. For the pandemic in the San Francisco Bay Area, see COVID-19 pandemic in the San Francisco Bay Area.

COVID-19 pandemic in California
Map of the outbreak in California by confirmed new infections per 100,000 people (14 days preceding August 17)   500+ confirmed new cases   200–500 confirmed new cases   100–200 confirmed new cases   50–100 confirmed new cases   20–50 confirmed new cases   10–20 confirmed new cases   0–10 confirmed new cases   No confirmed new cases or no data
Map of the outbreak in California by total confirmed infections per 100,000 people (as of August 17)   3,000+ confirmed infected   1,000–3,000 confirmed infected   300–1,000 confirmed infected   100–300 confirmed infected   30–100 confirmed infected   0–30 confirmed infected   No confirmed infected or no data
Disease	COVID-19
Virus strain	SARS-CoV-2
Location	California, U.S
First outbreak	Wuhan, Hubei, China
Index case	Orange County
Arrival date	January 26, 2020
Confirmed cases	613,101 (JHU)[1] 613,689 (CDPH)[2]
Suspected cases^‡	at least 221,000–442,000[3][4]
Hospitalized cases	6,895 (confirmed) 1,554 (suspected)
Critical cases	2,019 (confirmed) 236 (suspected)
Deaths	11,148 (JHU)[1] 11,147 (CDPH)[2]
Government website
cdph.ca.gov/covid19
^‡Suspected cases have not been confirmed as being due to this strain by laboratory tests, although some other strains may have been ruled out.

As of July 2020, California has the highest number of confirmed cases in the United States. In June, the state surpassed the 200,000 and in July 2020, 300,000 and again, 400,000 mark, about one percent infection rate per population for the state's over 40 million residents. When the state rolled back reopening on July 13, the Mexican border county of Imperial was suggested on June 26 by the state government to restore their stay-at-home order.[6]

On July 22, 2020, California overtook New York as the state with the most COVID-19 cases in the United States.[7] However, California has a lower number of infections per capita than New York, as well as a much lower death rate.[8]

On August 9, 2020, Dr. Sonia Y. Angell resigned as the CDPH Director and State Public Health Officer. Governor Gavin Newsom indicated Angell's resignation was related to data issues with the California Reportable Disease Information Exchange (CalREDIE) system that resulted in nearly 300,000 backlogged COVID-19 test results.[9] On August 10, 2020, Sandra Shewry was appointed as acting director and Dr. Erica Pan, California state epidemiologist, was named acting state public health officer.[10]

Timeline

COVID-19 cases in California, United States  ()      Deaths        Confirmed cases Jan Jan Feb Feb Mar Mar Apr Apr May May Jun Jun Jul Jul Aug Aug Last 15 days Last 15 days
Date			# of cases	# of deaths
2020-01-26			2(n.a.)
⋮			2(=)
2020-01-31			3(+50%)
⋮			3(=)
2020-02-02			6(+100%)
⋮			6(=)
2020-03-04		​	53(+783%)	1(n.a.)
2020-03-05		​	60(+13%)	1(=)
2020-03-06		​	69(+15%)	1(=)
2020-03-07		​	88(+28%)	1(=)
2020-03-08		​	114(+30%)	1(=)
2020-03-09		​	133(+17%)	1(=)
2020-03-10		​	157(+18%)	2(+100%)
2020-03-11		​	177(+13%)	3(+50%)
2020-03-12		​	198(+12%)	4(+33%)
2020-03-13		​	247(+25%)	5(+25%)
2020-03-14		​	335(+36%[lower-roman 1])	6(+20%)
2020-03-15		​	392(+17%)	6(=)
2020-03-16		​	472(+20%)	11(+83%)
2020-03-17		​ ​	598(+27%)	13(+18%)
2020-03-18		​ ​	675(+13%)	16(+23%)
2020-03-19		​ ​	1,006(+49%)	19(+19%)
2020-03-20		​ ​	1,224(+22%[lower-roman 2])	23(+21%)
2020-03-21		​ ​	1,468(+20%)	27(+17%)
2020-03-22		​ ​	1,733(+18%)	27(=)
2020-03-23		​ ​	2,102(+21%)	40(+48%)
2020-03-24		​ ​	2,535(+21%)	53(+32%)
2020-03-25		​ ​	3,006(+19%)	65(+22%)
2020-03-26		​ ​	3,801(+26%)	78(+20%)
2020-03-27		​ ​	4,643(+22%)	101(+29%)
⋮		​ ​	4,643(=)	101(=)
2020-03-29		​ ​	5,763(+24%[lower-roman 3])	135(+34%)
2020-03-30		​ ​	6,932(+20%[lower-roman 4])	150(+11%)
2020-03-31		​ ​	8,155(+18%)	171(+14%)
2020-04-01		​ ​	9,191(+13%)	203(+19%)
2020-04-02		​ ​	10,701(+16%)	237(+17%)
2020-04-03		​ ​	12,026(+12%)	276(+16%)
2020-04-04		​ ​	13,438(+12%)	319(+16%)
2020-04-05		​ ​	14,336(+6.7%)	343(+7.5%)
2020-04-06		​ ​	15,865(+11%)	374(+9.0%)
2020-04-07		​ ​	16,957(+6.9%)	442(+18%)
2020-04-08		​ ​	18,309(+8.0%)	492(+11%)
2020-04-09		​ ​	19,472(+6.4%)	541(+10%)
2020-04-10		​ ​	20,615(+5.9%)	609(+13%)
2020-04-11		​ ​	21,794(+5.7%)	651(+6.9%)
2020-04-12		​ ​	22,348(+2.5%)	687(+5.5%)
2020-04-13		​ ​	23,338(+4.4%)	758(+10%)
2020-04-14		​ ​	24,424(+4.7%)	821(+8.3%)
2020-04-15		​ ​	26,182(+7.2%)	890(+8.4%)
2020-04-16		​ ​	27,528(+5.1%)	985(+11%)
2020-04-17		​ ​	28,963(+5.2%)	1,072(+8.8%)
2020-04-18		​ ​	30,333(+4.7%)	1,166(+8.8%)
2020-04-19		​ ​	30,978(+2.1%)	1,208(+3.6%)
2020-04-20		​ ​	33,261(+7.4%)	1,268(+5.0%)
2020-04-21		​ ​	35,396(+6.4%)	1,354(+6.8%)
2020-04-22		​ ​	37,369(+5.6%)	1,469(+8.5%)
2020-04-23		​ ​	39,254(+5.0%)	1,562(+6.3%)
2020-04-24		​ ​	41,137(+4.8%)	1,651(+5.7%)
2020-04-25		​ ​	42,164(+2.5%)	1,710(+3.6%)
2020-04-26		​ ​	43,464(+3.1%)	1,755(+2.6%)
2020-04-27		​ ​	45,031(+3.6%)	1,809(+3.1%)
2020-04-28		​ ​	46,500(+3.3%)	1,887(+4.3%)
2020-04-29		​ ​	48,917(+5.2%)	1,982(+5.0%)
2020-04-30		​ ​	50,442(+3.1%)	2,073(+4.6%)
2020-05-01		​ ​	52,197(+3.5%)	2,171(+4.7%)
2020-05-02		​ ​	53,616(+2.7%)	2,215(+2.0%)
2020-05-03		​ ​	54,937(+2.5%)	2,254(+1.8%)
2020-05-04		​ ​	56,212(+2.3%)	2,317(+2.8%)
2020-05-05		​ ​	58,815(+4.6%)	2,412(+4.1%)
2020-05-06		​ ​	60,614(+3.1%)	2,504(+3.8%)
2020-05-07		​ ​	62,512(+3.1%)	2,585(+3.2%)
2020-05-08		​ ​	64,561(+3.3%)	2,678(+3.6%)
2020-05-09		​ ​	66,680(+3.3%)	2,745(+2.5%)
2020-05-10		​ ​	67,939(+1.9%)	2,770(+0.91%)
2020-05-11		​ ​	69,382(+2.1%)	2,847(+2.8%)
2020-05-12		​ ​	71,141(+2.5%)	2,934(+3.1%)
2020-05-13		​ ​	73,164(+2.8%)	3,032(+3.3%)
2020-05-14		​ ​	74,936(+2.4%)	3,108(+2.5%)
2020-05-15		​ ​	76,793(+2.5%)	3,204(+3.1%)
2020-05-16		​ ​	78,839(+2.7%)	3,261(+1.8%)
2020-05-17		​ ​	80,430(+2.0%)	3,302(+1.3%)
2020-05-18		​ ​	81,795(+1.7%)	3,334(+0.97%)
2020-05-19		​ ​	84,057(+2.8%)	3,436(+3.1%)
2020-05-20		​ ​	86,197(+2.5%)	3,542(+3.1%)
2020-05-21		​ ​	88,444(+2.6%)	3,630(+2.5%)
2020-05-22		​ ​	90,631(+2.5%)	3,708(+2.1%)
2020-05-23		​ ​	92,710(+2.3%)	3,774(+1.8%)
2020-05-24		​ ​	94,558(+2.0%)	3,795(+0.56%)
2020-05-25		​ ​	96,733(+2.3%)	3,814(+0.50%)
2020-05-26		​ ​	98,980(+2.3%)	3,880(+1.7%)
2020-05-27		​ ​	101,697(+2.7%)	3,973(+2.4%)
2020-05-28		​ ​	103,886(+2.2%)	4,068(+2.4%)
2020-05-29		​ ​	106,878(+2.9%)	4,156(+2.2%)
2020-05-30		​ ​	110,583(+3.5%)	4,213(+1.4%)
2020-05-31		​ ​	113,006(+2.2%)	4,251(+0.90%)
2020-06-01		​ ​	115,310(+2.0%)	4,286(+0.82%)
2020-06-02		​ ​	117,687(+2.1%)	4,361(+1.7%)
2020-06-03		​ ​	119,807(+1.8%)	4,422(+1.4%)
2020-06-04		​ ​	122,901(+2.6%)	4,485(+1.4%)
2020-06-05		​ ​	126,016(+2.5%)	4,559(+1.6%)
2020-06-06		​ ​	128,812(+2.2%)	4,626(+1.5%)
2020-06-07		​ ​	131,319(+1.9%)	4,653(+0.58%)
2020-06-08		​ ​	133,489(+1.7%)	4,697(+0.95%)
2020-06-09		​ ​	136,191(+2.0%)	4,776(+1.7%)
2020-06-10		​ ​	139,281(+2.3%)	4,881(+2.2%)
2020-06-11		​ ​	141,983(+1.9%)	4,943(+1.3%)
2020-06-12		​ ​	145,643(+2.6%)	4,989(+0.93%)
2020-06-13		​ ​	148,855(+2.2%)	5,064(+1.5%)
2020-06-14		​ ​	151,452(+1.7%)	5,089(+0.49%)
2020-06-15		​ ​	153,560(+1.4%)	5,121(+0.63%)
2020-06-16		​ ​	157,015(+2.2%)	5,208(+1.7%)
2020-06-17		​ ​	161,099(+2.6%)	5,290(+1.6%)
2020-06-18		​ ​	165,416(+2.7%)	5,360(+1.3%)
2020-06-19		​ ​	169,309(+2.4%)	5,424(+1.2%)
2020-06-20		​ ​	173,824(+2.7%)	5,495(+1.3%)
2020-06-21		​ ​	178,054(+2.4%)	5,515(+0.36%)
2020-06-22		​ ​	183,073(+2.8%)	5,580(+1.2%)
2020-06-23		​ ​	190,222(+3.9%)	5,632(+0.93%)
2020-06-24		​ ​	195,571(+2.8%)	5,733(+1.8%)
2020-06-25		​ ​	200,461(+2.5%)	5,812(+1.4%)
2020-06-26		​ ​	206,433(+3.0%)	5,872(+1.0%)
2020-06-27		​ ​	211,243(+2.3%)	5,905(+0.56%)
2020-06-28		​ ​	216,550(+2.5%)	5,936(+0.52%)
2020-06-29		​ ​	222,917(+2.9%)	5,980(+0.74%)
2020-06-30		​ ​	232,657(+4.4%)	6,090(+1.8%)
2020-07-01		​ ​	240,195(+3.2%)	6,163(+1.2%)
2020-07-02		​ ​	248,235(+3.3%)	6,263(+1.6%)
2020-07-03		​ ​	254,745(+2.6%)	6,313(+0.8%)
2020-07-04		​ ​	260,155(+2.1%)	6,331(+0.3%)
2020-07-05		​ ​	271,684(+4.4%)	6,337(+0.1%)
2020-07-06		​ ​	277,774(+2.2%)	6,448(+1.8%)
2020-07-07		​ ​	289,468(+4.2%)	6,562(+1.8%)
2020-07-08		​ ​	296,499(+2.4%)	6,711(+2.3%)
2020-07-09		​ ​	304,297(+2.6%)	6,851(+2.1%)
2020-07-10		​ ​	312,344(+2.6%)	6,945(+1.4%)
2020-07-11		​ ​	320,804(+2.7%)	7,014(+1.0%)
2020-07-12		​ ​	329,162(+2.6%)	7,040(+0.4%)
2020-07-13		​ ​	336,508(+2.2%)	7,087(+0.7%)
2020-07-14		​ ​	347,634(+3.3%)	7,227(+2.2%)
2020-07-15		​ ​	356,178(+2.5%)	7,345(+1.6%)
2020-07-16		​ ​	366,164(+2.8%)	7,475(+1.8%)
2020-07-17		​ ​	375,363(+2.5%)	7,595(+1.6%)
2020-07-18		​ ​	384,692(+2.4%)	7,685(+1.2%)
2020-07-19		​ ​	391,538(+1.8%)	7,694(+0.1%)
2020-07-20		​ ​	400,769(+2.4%)	7,755(+0.8%)
2020-07-21		​ ​	413,576(+3.2%)	7,870(+1.5%)
2020-07-22		​ ​	425,616(+2.9%)	8,027(+2%)
2020-07-23		​ ​	435,334(+2.3%)	8,186(+2%)
2020-07-24		​ ​	445,400(+2.3%)	8,337(+1.8%)
2020-07-25		​ ​	453,659(+1.9%)	8,416(+0.9%)
2020-07-26		​ ​	460,554(+1.5%)	8,445(+0.34%)
2020-07-27		​ ​	466,550(+1.3%)	8,518(+0.86%)
2020-07-28		​ ​	475,305(+1.9%)	8,715(+2.3%)
2020-07-29		​ ​	485,502(+2.1%)	8,909(+2.2%)
2020-07-30		​ ​	493,588(+1.7%)	9,005(+1.1%)
2020-07-31		​ ​	500,130(+1.3%)	9,224(+2.4%)
2020-08-01		​ ​	509,162(+1.8%)	9,356(+1.4%)
2020-08-02		​ ​	514,901(+1.1%)	9,388(+0.34%)
2020-08-03		​ ​	519,427(+0.88%)	9,501(+1.2%)
2020-08-04		​ ​	524,722(+1%)	9,703(+2.1%)
2020-08-05		​ ​	529,980(+1%)	9,869(+1.7%)
2020-08-06		​ ​	538,416(+1.6%)	10,011(+1.4%)
2020-08-07		​ ​	545,787(+1.4%)	10,189(+1.8%)
2020-08-08		​ ​	554,160(+1.5%)	10,293(+1%)
2020-08-09		​ ​	561,911(+1.4%)	10,359(+0.64%)
2020-08-10		​ ​	574,411(+2.2%)	10,468(+1.1%)
2020-08-11		​ ​	586,056(+2%)	10,648(+1.7%)
2020-08-12		​ ​	593,141(+1.2%)	10,808(+1.5%)
2020-08-13		​ ​	601,075(+1.3%)	10,996(+1.7%)
2020-08-14		​ ​	613,689(+2.1%)	11,147(+1.4%)
2020-08-15		​ ​	621,562(+1.3%)	11,224(+0.69%)
2020-08-16		​ ​	628,031(+1%)	11,242(+0.16%)
Sources: "Updates from California Department of Public Health". cdph.ca.gov. Notes: On March 14, 2020, CDPH started reporting the numbers as of 6 PM instead of 8 AM. More cases may be reported due to a longer reporting interval that is more than 24 hours (i.e. 34 hours). On March 20, 2020, CDPH started reporting the numbers as of 2 PM instead of 6 PM. Fewer cases may be reported due to a shorter reporting interval that is less than 24 hours (i.e. 20 hours). CDPH did not report data on March 28, 2020. As a result, the reporting interval on March 29, 2020 is for 2 days (or 48 hours). On March 30, 2020, CDPH stopped reporting the exact time in which the statistics were tallied.

January–February

On January 26, the Centers for Disease Control and Prevention (CDC) confirmed the first case in California, the third case in the U.S. The person, a man in his 50s, who had returned from travel to Wuhan, China, was released from the hospital in Orange County on February 1 in good condition to in-home isolation.[5] On January 31, the CDC confirmed the seventh case in the U.S., a man in Santa Clara County, who had recently traveled to Wuhan.[11] The man recovered at home and was released from in-home isolation on February 20.[12]

On January 29, the U.S. Department of State evacuated 195 of its employees, their families, and other U.S. citizens from Hubei Province aboard a chartered flight to March Air Reserve Base in Riverside County.[13]

On February 2, the CDC confirmed the U.S.'s ninth case in a woman in Santa Clara County, California, who had recently traveled to Wuhan. This case was unrelated to the first case in Santa Clara.[14] On the same day, the CDC reported the tenth and eleventh cases in San Benito County, including the second instance of human-to-human transmission.[15]

On February 5, the U.S. evacuated 345 citizens from Hubei Province and took them to two air bases in California, Travis Air Force Base in Solano County and Marine Corps Air Station Miramar, San Diego, to be quarantined for 14 days.[16][13] The evacuees from one more government evacuation flight on February 6 were also taken to bases in Nebraska and Texas.[13][17]

On February 6, 57-year-old Patricia Dowd of San Jose, California became the first COVID-19 death in the United States discovered by April 2020. She died at home without any known recent foreign travel, after being unusually sick from flu in late January, then recovering, working from home, and suddenly dying on February 6. A February 7 autopsy[18] was completed in April (after virus tests on tissue samples) and attributed the death to Transmural Myocardial Ischemia (Infarction) with a Minor Component of Myocarditis due to COVID-19 Infection. Her case indicates that community transmission was happening undetected in the US, most likely since December.[19][20][21][22][23]

On February 15, the government evacuated 338 U.S. nationals stranded aboard the cruise ship Diamond Princess, which had been held in quarantine in Yokohama, Japan.[24] Fourteen of those repatriated people were infected with the virus.[25] Five more nationals who were also reported as being infected were evacuated from the ship the following week, and were quarantined at Travis Air Force Base; several more cases among the evacuees were later confirmed.[26]

On February 26, a case of unknown origin was confirmed in a resident of Solano County.[27][28] The UC Davis Medical Center in Sacramento said that when the person was transferred there on February 19, the medical team suspected it was COVID-19 and asked the CDC to test for SARS-CoV-2. The CDC initially refused since the person, who had no known exposure to the virus through travel or close contact with a known infected individual, did not meet the criteria for testing. The person was ultimately tested on February 23; the test results returned positive on February 26.[29]

After this first case of community transmission in the U.S., a case with no known origin recognized in Solano County, California,[30] the CDC revised its criteria for testing patients for SARS-CoV-2, and on February 28 began sending out the new guidelines for healthcare workers.[31][32]

March

Further information: COVID-19 pandemic on Grand Princess

March 1: Two cases were reported in Alameda and Solano Counties, in health care workers at the NorthBay VacaValley Hospital. The workers were exposed to the patient in the case reported February 26 in Solano County.[33]

March 2: An adult resident of San Mateo County tested presumptively positive; they were placed in isolation in a hospital. The source of exposure was reported as unknown.[34]

March 4: California public health officials in Placer County reported a second confirmed case in an "older adult" resident with underlying health conditions who was aboard the Princess Cruises cruise ship Grand Princess on a cruise to Mexico that departed San Francisco on February 11 and returned on February 21.[35] Although initial reports indicated that the new case had been hospitalized in "critically ill" condition, public health officials in Placer County subsequently reported the new case's death later on the same day. This marked the eleventh death in the United States attributable to coronavirus, the first death in the U.S. attributable to coronavirus outside Washington state, and the first death in California attributable to coronavirus.[36][37] The source of the new case's infection appears to be the same as that of a resident of Sonoma County who tested positive on March 2 and who was also aboard the cruise ship Grand Princess on the same dates.[38][39] In relation to this, Governor Gavin Newsom declared a State of Emergency in California.[40] Consequently, Princess Cruises, the owner and operator of the cruise ship Grand Princess, working with the CDC, the state of California, and public health officials in San Francisco, terminated a port call in Ensenada, Mexico planned for March 5 and ordered the cruise ship to return to San Francisco over concerns about the potential for an outbreak of coronavirus aboard the cruise ship. Sixty-two passengers still aboard Grand Princess who may have made contact with the Placer County case that died earlier in the day were quarantined aboard the cruise ship at the request of the CDC.[41] In addition, eleven passengers and ten crew members were exhibiting potential symptoms of coronavirus, and Grand Princess was ordered by the state of California to remain offshore while test kits were being airlifted to the cruise ship.[42][43][44][45][46][47]

March 5: The San Francisco Department of Public Health reported two community spread cases within the city.[48] The two cases were unrelated and hospitalized at different hospitals in San Francisco.[49] Yolo County reported its first case, through community transmission.[50]

Press reports in April indicated that Santa Clara County began a community surveillance test from March 5 to 14, finding that 11% of patients reporting non-flu respiratory symptoms were infected with coronavirus. As a result of those findings, the county began issuing increasingly aggressive social-distancing policies, starting on March 9.[51]

March 7: Eight new cases were reported in Santa Clara County, bringing the total number of cases in the county to 32.[52] A faculty member of the Stanford University School of Medicine has tested positive for coronavirus.[53] The faculty member stopped attending work after symptoms had appeared, and the member's place of work was closed for terminal cleaning.[53]

In Santa Cruz County, officials confirmed the county's first case, a former passenger of Grand Princess.[54] Six presumptive positive cases were reported in San Francisco. All were reported as isolated at home in good condition. Each patient had contact with a confirmed case.[55] In Elk Grove, a family tested positive and was quarantined, resulting in the closure of Elk Grove Unified School District for the week of March 7–13, including student activities and events. In a letter to families, the school district announced no students or employees had tested positive.[56]

In Madera County, officials confirmed the county's first coronavirus case from a person who had been aboard Grand Princess. Their spouse, whom they were with on the cruise, was also being monitored. Both were taken to the Madera Community Hospital and were reported as in monitored isolation.[57] In Fresno County, two people returning from Grand Princess were quarantined and tested for the virus, with one person testing positive, making them the county's first confirmed case.[58]

March 8: Contra Costa County reported 5 new cases. Four of the patients did not travel or have known contact with a coronavirus case and were treated at hospitals around the county. The fifth person had contact with a previous case and was being isolated at home. This brings the total number of confirmed cases in the county to nine.[59] Santa Clara County reported 5 new cases, bringing the total number of known cases in the county to 37.[60] In Rocklin, Sierra College announced all classes and lectures would be moved online by March 18 after two office staff members were quarantined following exposure to COVID-19, with students being tested. In addition, the campus announced it would be limiting student activities, including continuing sporting events with no spectators.[61] Shasta County reported its first presumptive case. A 50-year-old man with a history of recent travel was reported to be recovering in isolation at home.[62]

Hand sanitizer sold out at a drug store in Folsom, California on March 9

March 9: Three people tested positive in Sacramento County.[63] Santa Clara County announced the state's second COVID-19 death.[64] A woman in her 60's was in the hospital for several weeks, she was the first confirmed case of COVID-19 in the county who had not traveled internationally or had contact with an already infected patient, which suggests it was a 'community spread' case. The patient was also the third confirmed case reported in the county on February 28.[65] San Francisco reported five new cases, who each had known contact with an existing case. The patients are isolated at home and are in good condition. This brings the number of cases in San Francisco to 13.[66] An Elementary aged child attending grammar school in Elk Grove tested positive for COVID-19.[67]

March 10: Newsom announced 24 new cases of COVID-19 for a total of 157 confirmed cases in the state.[68] Alameda County reported its third confirmed case in the county. The new case is the spouse of the second case, who was a passenger aboard Grand Princess. The new patient had already been quarantined at home and remains isolated.[69] San Francisco reports a new case in a patient who had known contact with a confirmed case, bringing the total number of confirmed cases of COVID-19 in the city to 14 with 89 confirmed cases in the Bay Area. The patient of the new case is currently hospitalized.[70] The city announces a ban on large gatherings and relief for small businesses[71] A resident of an assisted living home in Elk Grove in Sacramento County tested positive from complications of the virus.[72] County health officials said they have the capacity to only test 20 people per day and would be focusing all their efforts on the other residents of the retirement home.[73] That resident died from complications of the virus on the same day.[72] Ventura County confirms its first case of COVID-19.[74]

March 11: Marin County reported two new cases, bringing the total number of confirmed cases in the county to three. The two cases lived with the first confirmed case, who was a passenger on Grand Princess. The pair have been isolated in their home and are experiencing mild symptoms that do not require hospitalization.[75] A woman who was in her 60s and had underlying medical conditions died in Los Angeles County. She was not a resident of Los Angeles and had traveled extensively, including a long layover in South Korea. Her death is the first in Los Angeles County and the fourth in California.[76] San Jose International Airport reported that three of its TSA agents have tested positive.[77] All three agents worked in Terminal B, and 42 TSA agents have been quarantined.[78] A firefighter in the city of Alameda tested positive for coronavirus and was being quarantined.[79]

March 12: Alameda County confirmed four additional cases, bringing the total number to seven. Two of the four new cases are the first community-spread cases in the county, and the other two cases are linked to confirmed cases.[80] San Francisco reported four new cases, bringing the total of confirmed cases to 18. Two of the new cases are hospitalized and the other two are isolated at home. One of the patients had close contact with a confirmed case, while the other three did not recently travel to a country with coronavirus cases and did not have close contact with a confirmed patient.[81] Four firefighters with the San Jose Fire Department tested positive for the coronavirus. The sick firefighters also have multiple family members who have tested positive for COVID-19.[82]

Panic buying at a grocery store in Claremont, California on March 13

March 13: San Joaquin County reported 5 more cases on March 13, increasing the number to 8.[83] The San Joaquin County Department of Public Health declared a Public Health Emergency, causing all schools within the county to close until April 6.[84] Santa Clara County reported 13 more cases, bringing the county's total to 79. Health officials also announced the second coronavirus death in Santa Clara County; the patient was a woman in her 80s who was hospitalized on March 9.[85] In San Jose, a fourth TSA agent at Mineta International Airport tested positive for COVID-19 and two additional firefighters have also tested positive, bringing the total number of San Jose Firefighters with the virus to six. As a result, 70 other firefighters are being monitored after possible exposure to the virus.[85] Stanford University confirmed an undergraduate student has tested positive for the coronavirus; the student is self-isolating.[86] Los Angeles County reported eight new cases, bringing their total to 40.[87] San Diego County reported a total of eleven cases[88][89] Contra Costa County updated their total to 25 cases.[90]

March 14: Santa Clara County reported 17 new cases, bringing the total in the county to 91.[91] San Francisco reported five new cases, bringing the total to 28,[92] and issued an order forbidding visitors to hospitals.[93] Two additional cases of coronavirus have been confirmed in Marin County, bringing the total number to five. The two new cases had no known exposure to other cases, and are believed to be a result of community spread — the first in the county. The two people are quarantined at home and will remain in quarantine until they are no longer infected.[94] A U.C. Berkeley graduate student has tested positive for the novel coronavirus. The student doesn't live on campus or in the city of Berkeley; they have self-isolated at home and the person is in good condition with no serious symptoms.[95]

San Luis Obispo County has confirmed its first coronavirus case a day after the county has both declared a public health emergency and closed down its schools. The patient is from North County (Atascadero, Templeton, and Paso Robles) and is currently recovering in isolation.[96] Sonoma County reported its first case of community spread virus, bringing their total cases to three.[97]

March 15: San Francisco reported 9 new cases, bringing their total to 37.[98] Two health workers at UC San Francisco have tested positive for the coronavirus; they have been self-quarantined.[99] San Mateo County reported its first coronavirus related death; the total number of confirmed cases in the county is 32.[100] Santa Clara County reported 23 new cases, bringing the total in the county to 114.[101] Santa Barbara[102] and San Bernardino[103] Counties reported their first confirmed cases.

San Luis Obispo County has received their second confirmed case after the County Public Health Laboratory conducted over 100 tests for COVID-19 last week. The patient is currently in isolation at home.[104] Los Angeles County reported sixteen new cases, bringing their total to 69.[105] San Diego County updated their total to 33 cases.[106]

Hand sanitizer and COVID-19 information at Los Angeles International Airport on March 16, 2020

March 16: San Mateo County reported 10 new cases, increasing their total to 41,[107] and Alameda County reported 8 new cases, bringing their total to 18.[108] Santa Clara County reported 24 new cases, bringing their total to 138.[109] San Francisco reported 3 new cases, bringing their total to 40.[92] Los Angeles County reported 25 new cases, bringing their total to 94.[110] San Diego County updated their total to 55 cases[111] and Contra Costa County updated theirs to 34 cases.[112] Nevada County Public Health reports first confirmed case of COVID-19.[113] The person recently traveled outside the country, and at the time of this report, it appears the disease was acquired during international travel, but authorities were still in the earliest stages of investigation. San Joaquin County reported 13 cases.[114]

Empty shelves at a San Francisco grocery store after panic buying on March 17, 2020

March 17: San Francisco County reported 3 new cases, bringing their total to 43;[115] Los Angeles County reported 50 new cases, bringing their total to 144;[116] Alameda County reported 8 new cases, bringing their total to 27;[108] Santa Clara County reported 17 new cases, bringing their total to 155;[117] San Mateo county reported 23 new cases, bringing their total to 64;[118] Contra Costa County reported 5 new cases, bringing their total to 39.[119] Sacramento County reported 40 confirmed cases and two deaths.[120] Orange County reported 22 total cases.[121] Riverside County reported 15 total cases and 3 deaths.[122] Monterey County announced their first two cases.[123] San Luis Obispo reported 3 new cases, bringing their total to 6.[124][125]

March 18: Los Angeles County increased to 190,[116] San Mateo increased to 80,[107] San Diego County increased to 75,[106] San Francisco County increased to 51,[92] Contra Costa increased to 41,[119] Alameda County increased to 31,[108] Orange County increased to 42,[121] Riverside County increased to 16,[122] and San Joaquin County increased to 14[114] confirmed cases. Ventura County reported 13 cases.[126] Mendocino County announced its first case.[127]

March 19: Los Angeles County increased to 231,[116] Santa Clara County increased to 189,[128] San Mateo increased to 89,[107] San Francisco County increased to 70,[92] Orange County increased to 53,[121] Sacramento County increased to 45,[120] Contra Costa increased to 42,[119] Alameda County increased to 35,[108] San Joaquin County increased to 15,[114] and Santa Cruz County increased to 14[129] cases.

Los Angeles playground closed due to the stay-at-home order on March 20, 2020

March 20: Los Angeles County increased to 292,[116] Santa Clara County increased to 196,[128] San Mateo County increased to 100,[107] San Diego County increased to 120[106] San Francisco County increased to 76,[92] Orange County increased to 65,[121] Sacramento County increased to 53 cases with 3 deaths,[120] Contra Costa County increased to 46,[119] Alameda County increased to 45,[108] Marin County increased to 38,[130] Riverside County increased to 28,[122] San Joaquin County increased to 20,[114] Ventura County increased to 17,[126] Santa Cruz County increased to 15,[129] San Luis Obispo reported 16,[131] Santa Barbara reported 9 cases,[132] San Bernardino reported 9 cases,[133] Yolo increased to 6 cases,[134] and Fresno County reported 6 cases including their first person-to-person transmission.[135] Los Angeles County, which is nationally the second-largest municipal health system, believes it can no longer contain the virus and changed their guidelines for COVID-19 testing to not test symptomatic patients if a positive result would not change their treatment.[136]

March 21: Los Angeles County increased to 351,[137] Santa Clara County increased to 263,[128] San Mateo County increased to 110,[107] San Francisco increased to 84,[92] Orange County increased to 78,[121] Alameda County increased to 65,[108] Contra Costa County increased to 51,[119] San Joaquin County increased to 25 cases,[114] San Luis Obispo increased to 21,[131] Solano County reported 13 cases,[138] Tulare County reported 11 cases,[139] and Placer County reported 12 cases with 1 death.[140] The Departments of Public Health from Yuba and Sutter Counties confirmed two cases in Yuba County, the first cases in Yuba and Sutter counties combined.[141] Neither patient required hospitalization, and both individuals were in isolation at home and recovering well. The second case is not related to the first case, and both cases are deemed to be a community-transmitted case.

March 22: Los Angeles increased to 409 cases and 5 deaths,[116] Santa Clara increased to 302 with 10 deaths,[128] San Diego increased to 148,[106] San Mateo increased to 117,[107] San Francisco increased to 108,[92] Alameda County increased to 100,[108] Contra Costa increased to 61,[119] Orange County increased to 95,[121] Riverside increased to 45,[122] San Joaquin increased to 34,[114] Ventura increased to 26,[126] San Luis Obispo increased to 27,[131] Santa Barbara increased to 13,[132] and San Bernardino increased to 17[133] cases.

March 23: Cases in Los Angeles County increased to 536 with 7 deaths,[116] Santa Clara County increased to 375 with 16 deaths,[128] San Diego increased to 205 with 1 death,[106] San Mateo increased to 142,[107] San Francisco to 131,[92] Alameda to 112 with one death,[108] Sacramento to 88 with 4 deaths,[120] Contra Costa to 71,[119] San Joaquin to 45,[114] Ventura to 30,[126] Placer to 20,[140] Santa Cruz to 22,[128] Santa Barbara to 18,[132] and Solano to 14.[138]

March 24: Cases in Los Angeles County increased to 662 with 11 deaths,[116] San Mateo County increased to 161,[107] San Francisco increased to 152 with one death,[92] Orange County to 152,[121] Alameda County to 124 with two deaths,[108] San Joaquin to 60,[114] Riverside County to 59 with 6 deaths,[122] San Joaquin to 55,[114] Ventura to 35,[126] San Luis Obispo to 33,[131] Santa Cruz to 24,[129] Tulare to 17,[139] Yolo County increased to 9,[134] Shasta County increased to 3,[142] and Mendocino County increased to 2.[143]

A teenager who tested positive and died in Lancaster, part of Los Angeles County, might be the first individual in the U.S. under the age of 18 to die of COVID-19.[144] It was initially reported that the 17-year-old boy was denied health care at an urgent care clinic because he did not have health insurance. He was then transported from that clinic to Antelope Valley Hospital, during which time he went into cardiac arrest.[145] However, it turns out an earlier language barrier resulted in the facts not being fully portrayed in early reporting. The boy did have insurance and contacted Kaiser Permanente who told him to instead go to Antelope Valley Hospital. In transit, the patient coded and six hours of efforts in the emergency room were ultimately not successful in reviving him. Additionally, Los Angeles County Public Health officials later stated they were asking the CDC to investigate the cause of death as "Though early tests indicated a positive result for COVID-19, the case is complex and there may be an alternate explanation for this fatality". On March 24, a spokesperson said that due to patient privacy, they were not willing to give further details.[146]

March 25: cases in Los Angeles County increased to 799 with 12 deaths.[116] Santa Clara County increased to 459 with 17 deaths,[128] San Francisco to 178,[92] San Mateo to 165 cases with 5 deaths,[107] Sacramento County to 113 with 5 deaths,[120] Contra Costa to 108,[119] Riverside to 70,[122] San Joaquin to 71 with 3 deaths,[114] San Luis Obispo to 46,[131] Ventura to 39,[126] San Bernardino to 38,[133] Placer to 30,[140] Santa Cruz to 25,[129] Santa Barbara to 24,[132] Fresno to 18,[135] and Yolo to 10.[134]

A freeway sign in Southern California on March 26 urging people to wash their hands to avoid COVID-19

The USNS Mercy hospital ship arrived in Los Angeles on March 27 to provide relief to the hospital system by treating non-COVID-19 patients

March 26: Cases in Los Angeles County increased to 1,216 with 21 deaths,[116] Santa Clara to 542 with 19 deaths,[128] San Diego to 341 with 3 deaths,[106] Orange to 256 with 1 death,[121] San Francisco to 223 with 2 deaths,[92] San Mateo to 195 cases,[107] Alameda to 164 with 4 deaths,[108] Riverside to 107 with 8 deaths,[122] Contra Costa to 131,[119] San Joaquin to 78,[114] San Luis Obispo to 54,[131] Ventura to 50 with 1 death,[126] Santa Cruz to 32,[129] and in Fresno to 27.[135] On March 27, Los Angeles County increased to 1465 cases with 26 deaths,[116] Orange County to 321 cases with 3 deaths,[121] San Francisco County to 279 with 3 deaths,[92] San Mateo to 239,[107] Alameda to 204,[108] Sacramento to 164 with 6 deaths,[120] Riverside to 151 with 8 deaths,[122] Contra Costa to 147 cases,[119] San Joaquin to 90 with 3 deaths,[114] Ventura to 61,[126] Santa Cruz to 34,[129] Santa Clara to 574 with 20 deaths.[128]

March 28: Santa Clara County cases increased to 591 with 25 deaths, San Francisco to 308 with 4 deaths, San Mateo to 274 cases, Alameda County to 240 cases with 6 deaths, Contra Costa County to 168 cases.[147]

March 29: San Francisco increased to 340 with 5 deaths,[92] and Alameda County to 254.[108]

The Los Angeles Convention Center turned into a field hospital on March 29 to treat COVID-19 patients

March 30: Los Angeles County increased to 2,474 cases with 44 deaths,[116] Santa Clara County increased to 848 cases with 28 deaths (noting that the increase of 202 cases included results that had not been reported over the previous two days),[128] San Diego increased to 603 cases,[106] San Mateo County increased to 309 cases,[107] Riverside to 291 cases with 9 deaths,[122] Alameda County increased to 264,[108] Sacramento County increased to 224 cases with 7 deaths,[120] Contra Costa to 187,[119] San Joaquin to 123 cases with 6 deaths,[114] San Bernardino to 111 cases with 3 deaths,[133] Ventura to 109 cases,[126] Fresno to 53 cases,[135] San Luis Obispo to 77 cases,[131] Placer to 57 cases with 2 deaths,[140] Santa Cruz to 45 cases with one death,[129] and Shasta to 5 cases,[142] and San Francisco to 374 with 5 deaths.[92]

March 31: Alameda County increases to 294 cases [108] and San Francisco to 397 with 6 deaths.[92]

April

April 1: On April 1, Santa Clara County increased to 956 cases with 32 deaths, and began to report hospital and laboratory testing results, acknowledging that, "because of limited testing capacity through the Public Health Laboratory, the number of cases that we detect through testing represent only a small portion of the total number of likely cases in the county".[128]

Los Angeles County reported 3,518 cases with 65 deaths,[116] San Diego reported 849 cases with 15 deaths,[106] Orange County increased to 606 cases with 10 deaths,[121] San Mateo county to 453 cases with 10 deaths,[107] San Francisco to 434 with 7 deaths,[92] Riverside County to 429 cases with 13 deaths,[122] Alameda County increased to 339 cases with 8 deaths,[108] Sacramento to 314 cases with 9 deaths,[120] San Bernardino to 254 cases with 6 deaths,[133] Contra Costa county to 250 cases,[119] San Joaquin to 173 cases with 9 deaths,[114] Ventura County to 160 cases with 5 deaths,[126] Santa Barbara to 111 cases,[132] Placer County to 90 cases with 2 deaths,[140] San Luis Obispo to 83 cases,[131] Fresno County to 82 cases,[135] Tulare County to 59 cases with 2 deaths,[139] Santa Cruz to 54 cases,[129] Solano County to 54,[138] Yolo County to 28 cases,[134] and Shasta County to 7 cases with 1 death.[142]

Members of the California National Guard delivering food to residences in Orcutt, California on April 2

April 2: San Francisco increased to 450 cases with 7 deaths[92] and Los Angeles County reported 4,045 cases with 78 deaths.[116]

April 3: San Francisco county increased to 497 with 7 deaths,[92] Alameda County to 416 cases with 12 deaths,[108] and Los Angeles County to 4,566 and 89 deaths.[116]

April 4: San Francisco county increased to 529 with 8 deaths,[92] Alameda County to 510 cases,[108] and Los Angeles County to 5,277 and 117 deaths.[116]

April 5: San Francisco increased to 568 with 8 deaths,[92] Alameda County to 539 cases,[108] and Los Angeles County to 5,940 and 132 deaths.[116]

April 6: San Francisco county increased to 583 cases with 9 deaths,[92] Alameda County to 557 with 13 deaths,[108] and Los Angeles County to 6,360 and 147 deaths.[116]

April 7: Alameda County increased to 602 cases with 15 deaths,[108] San Francisco to 622 cases with 9 deaths,[92] and Los Angeles County to 6,910 and 169 deaths.[116]

April 8: San Francisco county increased to 676 cases with 10 deaths,[92] Alameda to 640 cases with 16 deaths,[108] and Los Angeles County to 7,530 and 198 deaths.[116]

April 9: San Francisco increased to 724 cases with 10 deaths[92] and Alameda to 681 cases.[108]

April 10: Alameda County increases to 730 cases with 19 deaths.[108]

April 11: Alameda County increases to 770 cases with 20 deaths.[108]

April 14: Los Angeles County is confirmed to have recorded 40 deaths in a period of just one day, setting a single day record.[148] More than 10,000 COVID cases were also confirmed in Los Angeles County alone, with 670 new cases being recorded in just one day as well.[148]

Signs at a grocery store in Berkeley, California on April 20 requiring face coverings and banning reusable bags

April 16: The state of California recorded 101 deaths within a one-day period, setting a new statewide record for single day COVID-19 deaths.[149]

June

June 4: Data released on COVID-19 cases in California shows that Latin-American individuals are disproportionally affected by COVID-19. In California, Latin-American individuals represent 54% of total COVID-19 cases but make up only 39% of the population.[150]

June 21: The number of cases exceeded the case numbers of New Jersey.[151]

June 24: A record 7194 cases were announced with 4095 hospitalizations.[152]

June 25: 5349 cases were seen.[153]

June 27: A 19-year-old McDonald's worker in Oakland was assaulted for asking a customer to wear a mask. The man in the drive-thru used racial slurs, threatened to kill her, then broke her arm. An OSHA complaint was filed.[154]

July

July 5: Actor Nick Cordero, who was a Los Angeles resident, died at Cedars-Sinai Medical Center of COVID-19.[155][156]

July 9: Newsom reported a new record number of COVID-19-related deaths.[157]

July 15: 998 new cases were reported in child care facilities across California.[158] San Francisco Bay Area, Central Coast, and San Diego - Imperial were predicted to witness a rapid increase in daily new cases in the next two weeks.[159]

July 16: The City of Galt is a hotspot for the virus with under 1% of the population becoming infected.[160]

July 21: Orange County now has the second highest number of COVID-19 cases in California, with the count being 29,986.[161] This is just ahead of Riverside County's COVID-19 case count of 29,983.[161] Los Angeles County, which has more COVID-19 cases than any other California county, is also confirmed to have 160,000 cases.[161]

July 22: The entire state of California is confirmed to have topped 409,000 COVID-19 cases, surpassing New York for most in the nation.[162]

August

Equipment shortage

Further information: Shortages related to the COVID-19 pandemic

California formerly had a strategic stockpile of medical supplies for responding to epidemics. In 2006, then-Governor Arnold Schwarzenegger ordered creation of an epidemic-ready medical equipment stockpile, including three 200-bed mobile hospitals with 50 million N95 respirators, 2,400 ventilators, and 21,000 additional patient beds.[163]  Governor Jerry Brown cut the budget for warehousing and keeping up the reserve in 2011, responding to the Great Recession economic downturn.[164][165]

Personal protective equipment for healthcare workers

Nurses protesting a lack of N-95 masks at the UCLA Medical Center on April 13, 2020

As early as January, 2020, a survey by the California Department of Public Health found that many Californian health care providers were having trouble obtaining adequate Personal Protective Equipment (PPE), such as masks, gowns, and eye protection.[166] By mid-March, 2020, when Newsom issued the first statewide shelter-in-place order,[167] 220 of 292 California hospitals surveyed already reported that they were having to limit use of masks, often severely.[166] Even with limitations in place, Newsom estimated that California healthcare facilities were still using about 46 million masks each month during the pandemic.[168]

As safety equipment shortages continued throughout the first months of the pandemic,[169] many doctors, nurses and emergency medical service workers expressed fears and frustrations at being asked to reuse safety gear or wear homemade and less effective masks and at the overall lack of proper PPE, which does not provide adequate protection from COVID-19 exposure.[170][171][172][173][174][175] As of July 28, local agencies reported 121 deaths from a total of 22,423 confirmed positive cases among healthcare workers in California.[176]

Newsom's administration made several attempts to procure masks and other protective equipment for healthcare workers, including:

• multiple attempts at large-scale mask purchases, including failed deals with Blue Flame Medical (now under investigation by the US Department of Justice),[177][178] and Bear Mountain Development Co.,[179] as well as a successful, if initially delayed, purchase from BYD;[168][180] and
• a marketplace portal where individuals and businesses could offer PPE for donation or sale, attracting many small donations and fraudulent business posts that overwhelmed the site managers.[181][182][183]

As of July 22, 2020, California's stockpile reached approximately 86 million N-95 masks and 111 million surgical and procedural masks.[168]

Hospitals and ventilators

At the start of 2020, California had 416 hospitals, yielding a statewide capacity of about 78,000 beds.[184] In mid-March, 2020, when the state was preparing for a surge of COVID-19 cases, Newsom submitted an unfulfilled request for 10,000 ventilators from the federal government.[184] The state government continued to acquire ventilators, but was able to flatten the curve enough that on April 6, 2020, California donated 500 ventilators to the Strategic National Stockpile for use in other states.[185] As of July 13, 2020, hospitals statewide report that 36% of ICU beds were available still, as were 72% of ventilators. However, the hardest-hit counties were quickly reaching capacity, and reportedly borrowing ventilators from neighboring hospitals to meet demand.[186]

Community response

A sign of community support for Tuolumne County in a shop window in Jamestown, California on May 30, 2020

In March 2020, there were calls for crowdsourcing on social media, to donate any masks, goggles, or other equipment to healthcare professionals.[187]

On March 22, Major Bay Area medical centers, UCSF and Stanford Health Center placed a called to action for donations of personal protective equipment.[188]

Local public health offices started coordinating donation efforts.[189]

Maker Nexus, a non-profit maker space in Sunnyvale, began making face shields to donate to local hospitals and other health care facilities, using its 3D printers and laser cutters. This effort grew rapidly as individuals in the Bay Area began using home-based 3D printers and bringing the result to Maker Nexus to complete the shields and deliver them to the recipients.[190][191] By the first of April, more than 300 community members were using their home 3D printers for this effort.[192][193][194] Together with other groups and individuals, the maker space is also making cloth face masks to substitute for N95 masks in non-critical applications and helping to coordinate face mask deliveries.[195]

Government response

Further information: U.S. state and local government responses to the COVID-19 pandemic § California

February

On February 10, Santa Clara County declared a local health emergency that would allow health authorities to deploy rapid response in the event of a potential coronavirus case. The state of emergency would be in effect for 30 days.[196] On February 14, San Diego County declared a local health emergency to ensure that the county had the resources needed to respond to the infections. The state of emergency lasted for seven days.[197]

On February 25, the mayor of San Francisco, London Breed, declared a state of emergency that would allow city officials to assemble resources and personnel to expedite emergency measures in the event of a potential coronavirus case in the city.[198][199] On February 26, Orange County declared a local health emergency to raise awareness and accelerate emergency planning.[199] On February 27, Solano County declared a local health emergency to bolster response to COVID-19 cases.[200] Newsom announced that, as of February 27, the number of people being monitored for the virus in California amounted to 8,400.[201]

On February 27, the governor announced that the state was limited in testing for the new coronavirus because it had only 200 testing kits.[202]

March

A public safety alert sent by Santa Clara County, California about the shelter-in-place order

On March 3, Placer County declared a public health emergency, following the confirmation of a second coronavirus case in that county.[203] On March 4, the governor declared a state of emergency after the first death in California attributable to coronavirus occurred in Placer County.[204][205][206]

On March 7, a family in Elk Grove contracted the virus and was quarantined[207] which led to the school district of Elk Grove decision to close down all schools until March 13.[208] On March 8, Riverside County declared a public health emergency with a case being treated at Eisenhower Health in Rancho Mirage.[209]

On March 9, Santa Clara County announced that beginning March 11, public gatherings with more than 1,000 people would be banned for a three-week period.[210] On March 10, a resident of a retirement home tested positive in Elk Grove in Sacramento County. County health officials said that they had the capacity to only test 20 people per day and would be focusing all their efforts on the other residents of the retirement home. That resident died from complications of the virus on the same day. Also on March 10, a woman became the first presumptive case of the novel coronavirus in San Diego County, who was being treated at Scripps Green Hospital, with verification of the test results pending from the CDC. The infection was related to overseas travel; she had not been subjected to a 14-day quarantine upon return, indicating that she did not come from one of the "high risk" countries at the time of her return.[211]

On March 12, Newsom announced that mass gatherings (over 250 people) and social gatherings (more than 10 people) were banned until the end of March.[212] He also issued an order to permit the state to commandeer hotels and medical facilities to treat coronavirus patients.[213][214][215][216] On March 13, schools were closed in Marin, Sacramento, San Joaquin, San Luis Obispo, Santa Clara, Solano, Placer, and Contra Costa counties, as well as the Oakland, Antioch, Santa Cruz, Los Angeles Unified, Chaffey Unified, Etiwanda, Fontana Unified, Ontario-Montclair, Alta Loma Unified, San Diego, Los Alamitos Unified, and Washington Unified school districts. In Santa Clara county, all gatherings of 100 or more people were banned, and gatherings of 35 or more people were banned unless they satisfied public health restrictions.[217][218][219][220][221] Press reports in April suggest that the aggressive early imposition of social-distancing orders by Santa Clara County were the result of community surveillance performed beginning on March 5.[222]

Executive Order N-33-20: the March 19 stay-at-home order from California governor Gavin Newsom

On March 15, Newsom called for voluntary closure of bars and in-home self-isolation of seniors 65 and older, as well as persons at-risk due to underlying conditions.[223] On March 16, the health officers of Alameda, Contra Costa, Marin, San Francisco, San Mateo, and Santa Clara counties announced, with the City of Berkeley, a legal order directing their respective residents to shelter in place for three weeks beginning midnight March 17 to April 7 in order to slow the spread of the coronavirus.[224] The order limited activity, travel and business functions to only the most essential needs.[225][226][227] The same day, the county of Santa Cruz issued a similar shelter in place order.[228]

On March 17, more counties issued shelter in place orders, including Monterey County (until April 4),[229] San Benito (until April 7),[230] and Sonoma (until April 7).[231] Sacramento County issued a stay-at-home directive, which, unlike a shelter in place order, is not a legal requirement.[232] The federal Defense Secretary said the military would provide up to 5 million respirator masks and also 2,000 ventilators from its reserve.[233]

On March 18, shelter in place orders were issued by Yolo County (until April 7),[234] the city of Fresno (until March 31),[235] Napa County (effective March 20, until April 7)[236] San Luis Obispo County (until April 17),[237] and Mendocino County (until April 7).[238] The Department of Defense said the Navy's hospital ship USNS Mercy is being prepared for deployment in California, "to assist potentially overwhelmed communities with acute patient care".[239]

On March 19, Sacramento County upgraded its stay-at-home directive into an official order that carries legal consequences.[240] Newsom then announced a statewide stay-at-home order.[241][242][243] Newsom said that the state has asked the Department of Defense to deploy the Navy's USNS Mercy hospital ship in California.[244]

On March 21, the Strategic National Stockpile Division of the United States Department of Health and Human Services converted the Santa Clara Convention Center into a Federal Medical Station to receive noncritical patients from local hospitals.[245]

On March 22, President Trump announced that he had directed Federal Emergency Management Agency to provide 8 large federal medical stations with 2,000 beds for California.[246]

On March 24, Newsom passed an executive order to postpone intakes in prisons and juvenile correction centers. The objective was to hinder contamination in the prison system.[247]

On March 24, Mendocino County revised its shelter-in-place order to align with the state order including a stricter list of essential businesses, closure of all parks within Mendocino County, and for the order to be in place until rescinded.[143]

On March 30, the health officers of Alameda, Contra Costa, Marin, San Francisco, San Mateo, and Santa Clara counties extended the legal order directing their respective residents to shelter in place to May 3.[248]

April

On April 1, Newsom announced ordered the closure of all public and private schools for the remainder of the 2019–2020 academic year, including all institutions of higher education, and directing all schools to "put all efforts into strengthening our delivery of education through distance learning."[249] The University of California system announced that they would temporarily suspend the use of standardized testing for Fall 2021 admissions, and suspend the letter grade requirement for A-G courses completed in winter, spring, and summer 2020.[250]

A sign outside a store in Los Angeles County on April 17 requiring all customers to wear face coverings to enter

On April 7, Mayor of Los Angeles Eric Garcetti announced that in accordance with recent CDC recommendations, it would institute a Worker Protection Order beginning April 10, requiring all employees and customers of stores and essential businesses to wear a face mask. Businesses will have the right to refuse service to customers who do not wear a face mask.[251][252] Newsom announced that the state has secured a deal that will provide upwards of 200 million masks, including 150 million N95 masks, per month to the state.[253]

On April 9, Newsom announced the state would pay for hotel rooms for hospital and other essential workers afraid of returning home and infecting family members.[254]

On April 13, Newsom, together with Oregon governor Kate Brown and Washington governor Jay Inslee, announced the Western States Pact, an agreement to coordinate among the three states to restart economic activity while controlling the outbreak.[255]

On April 15, Newsom announced that undocumented immigrants can receive $500 per adult or $1,000 per household.[256] The total cost will be $75 million that will be distributed by nonprofit organizations.[257]

On April 22, Newsom ordered a review on autopsies of people who died in December 2019 in order to find out when COVID-19 arrived in California.[258]

On April 24, Newsom announced a program that will deliver free meals to elderly residents who meet the program's requirements. This program partners with local restaurants to deliver up to $61 worth of meals per day to each qualified resident. 75% of the program's cost will be covered by FEMA, and the rest will be covered by the state and local governments.[259]

On April 24, Mayor of San Francisco London Breed said the city order's for PPE from China were instead rerouted to France and to FEMA. "We had isolation gowns on the way to San Francisco and then diverted to France," she said. Another order of equipment went through customs and then was "confiscated" by FEMA for other places. She later stated "That at the height of this pandemic we are still having a conversation about PPE really does blow my mind. There has been nothing that has been more frustrating."[260][261][262][263]

On April 29, Newsom announced an expansion of the state's Farm to Family program, which helps connect farmers to food banks. The governor also announced that the state's CalFresh program will continue to send every recipient the maximum amount of benefits for May. Newsom also said that families with kids who can receive free or low-cost lunch at schools could now get up to $365 a month in additional benefits due to the Pandemic-EBT program. Additionally, Newsom said that these benefits can now be used to buy groceries online on Amazon and Walmart, and the state will expand the number of online stores that will accept these benefits.[264]

May

By May, Newsom had come under pressure to reopen, e.g. via over a dozen lawsuits filed by lawyer Harmeet Dhillon, who later credited herself for "large sectors of California's economy opening up much sooner than the governor originally intended."[265]

On May 2, the Washington Post reported that a vitamins executive claimed that (at a previous time not specified in the article) Trump had given him Newsom's phone number for the purpose of persuading the governor to buy hydroxychloroquine as a proposed treatment for COVID-19. Newsom declined the proposal to buy millions of hydroxychloroquine tablets, at cost, from an Indian manufacturer.[266]

On May 6, Newsom signed an executive order to extend workers' compensation for all workers who contracted COVID-19 during the state's stay-at-home order. This order was to be retroactive to March 19, when the state's stay-at-home order was issued. Newsom also signed an executive order that waived property tax penalties for residents and small businesses that have been negatively affected by the pandemic.[267]

On May 7, Newsom announced that the state was moving into Stage 2 of its four-stage reopening roadmap. Stage 2 allows for certain low-risk sectors of the economy to reopen, so long as there are significant safety measures in place.[268]

On May 8, Newsom signed an executive order to send every registered voter a mail-in ballot for the 2020 general election.[269]

On May 18, the Department of Public Health announced that counties could selectively reopen types of business that are part of Stage 3 of the state's four-stage reopening roadmap. To reopen certain types of business, a county would attest to its readiness.[270]

On May 26, the Department of Public Health announced that hair service businesses could reopen with restrictions.[271]

June

On June 5, the Department of Public Health noted that many counties were ready to move ahead into Stage 3 of the state's four-stage reopening roadmap.[272] Stage 3 allows for certain higher-risk businesses to reopen with safety and hygiene modifications like seating capacity and regular cleaning in restaurants, bars, theaters, gyms and hair salons.[273]

On June 12, the Department of Public Health released guidance for expanding the operations of personal care service businesses.[274]

On June 18, the Department of Public Health issued universal masking guidance. Counties may follow this guidance to require the wearing of cloth face coverings by all individuals over the age of 2 in all public indoor settings, and in outdoor settings when social distancing is not possible. Exemptions are provided for restaurants (if social distancing is maintained), inmates, and people with specific medical conditions that prevent their use. Newsom stated that "science shows that face coverings and masks work".[275][276]

By late June, The New York Times observed an "alarming surge in cases" in California that was forcing Newsom to roll back the reopening in several counties.[265]

On June 26, Newsom said he was "committed to intervening" if Imperial County officials did not reimpose stay-at-home orders in the Mexican border region where positive rates averaged 23% while the nationwide average was 5.7%.[277]

On June 28, Newsom ordered bars closed in seven counties: Los Angeles, Fresno, Kern, San Joaquin, Tulare, Kings, and Imperial.[278]

July

On July 1, Newsom ordered the closure of most indoor businesses, including restaurants, wineries, and movie theaters, in Contra Costa, Fresno, Glenn, Imperial, Kern, Kings, Los Angeles, Merced, Orange, Riverside, Sacramento, San Bernardino, San Joaquin, Santa Barbara, Santa Clara, Solano, Stanislaus, Tulare, and Ventura counties.[279]

As of July 7, contact tracers in San Diego had only contacted around 9,000 contacts out of an estimated 170,000 persons who need to be contacted. Some people reportedly become angry when contacted and demand to know who had tested positive. When contact tracers don't reveal this information, sometimes people hang up. They attempt to call them two more times, then mail a letter telling them how to stay safe. They call one more time after a 14-day period to see if the person developed symptoms. San Diego does not have a digital contact tracing app and has delayed plans to develop one, citing that the app would first have to go through multiple reviews for privacy and security.[280]

On July 13, Newsom re-imposed a stay at home order over most of California. The order shuttered many businesses across the state including gyms, indoor dining, bars, movie theaters, and museums.[281][282]

Statistics and data

Edit with VisualEditor

Main article: COVID-19 pandemic in California

COVID-19 pandemic medical cases in California by county

County	Confirmed[lower-alpha 1]	Recovered	Deaths	Population	Cases/1M
	628,031	206,816	11,242	39,873,057	15,751
Los Angeles[283]	221,971	No data	5,254	10,283,729	21,585
Riverside[284]	47,490	24,931	912	2,415,955	19,657
Orange[285]	43,367	34,909	809	3,284,468	13,204
San Bernardino[286]	40,338	31,798	568	2,174,938	18,547
San Diego[287]	34,344	No data	626	3,337,456	10,290
Kern[288]	26,266	8,385	204	905,801	28,998
Fresno[289]	21,010	8,425	208	1,007,229	20,859
San Joaquin[290]	15,008	13,360	269	758,744	19,780
Alameda[291]	15,123	No data	221	1,671,329	9,048
Santa Clara[292]	14,636	No data	209	1,927,852	7,592
Sacramento[293]	14,326	10,385	218	1,529,501	9,366
Tulare[294]	12,105	10,568	205	475,834	25,439
Imperial[295]	10,058	8,911	257	190,624	52,764
Stanislaus[296]	12,668	No data	200	555,624	22,800
Contra Costa[297]	11,013	9,590	156	1,153,526	9,547
Ventura[298]	9,090	6,178	95	859,073	10,581
San Francisco[299]	8,292	No data	69	881,549	9,406
Santa Barbara[300]	7,274	7,096	89	453,457	16,041
San Mateo[301]	6,952	No data	126	766,573	9,069
Marin[302]	5,750	5,160	82	258,826	22,216
Monterey[303]	6,057	3,858	46	443,281	13,664
Kings[304]	5,409	2,982	66	151,662	35,664
Merced[305]	6,777	4,099	89	279,977	24,206
Solano[306]	4,596	4,198	41	447,643	10,267
Sonoma[307]	4,293	1,989	54	494,336	8,684
Madera[308]	2,924	2,103	47	158,894	18,402
Placer[309]	2,582	2,145	28	389,532	6,628
San Luis Obispo[310]	2,439	No data	18	280,101	8,708
Yolo[311]	2,019	No data	46	221,270	9,125
Santa Cruz[312]	1,420	392	7	276,864	5,129
Butte[313]	1,370	No data	12	227,621	6,019
Napa[314]	1,206	393	11	137,744	8,755
Sutter[315]	1,137	613	7	97,238	11,693
San Benito [316]	836	751	4	57,088	14,644
El Dorado[317]	827	661	2	188,399	4,390
Lassen[318]	703	629	0	30,911	22,743
Yuba[319]	758	398	4	74,727	10,144
Shasta[320]	488	436	10	178,271	2,737
Colusa[321]	409	379	5	22,098	18,508
Mendocino[322]	541	423	10	89,299	6,058
Glenn[323]	407	380	3	28,795	14,134
Nevada[324]	372	313	2	99,155	3,752
Humboldt[325]	309	242	4	136,002	2,272
Tehama[326]	318	275	1	64,039	4,966
Lake[327]	268	236	2	65,081	4,118
Mono[328]	160	No data	1	13,822	11,576
Tuolumne[329]	160	155	2	54,740	2,923
Calaveras[330]	174	No data	1	45,157	3,853
Amador[331]	210	No data	11	38,094	5,513
Del Norte[332]	106	92	0	27,221	3,894
Siskiyou[333]	111	101	0	44,612	2,488
Mariposa[334]	64	58	2	18,129	3,530
Inyo[335]	127	57	5	18,577	6,836
Plumas[336]	39	35	0	19,773	1,972
Trinity[337]	8	5	0	13,635	587
Alpine[338]	2	2	0	1,154	1,733
Modoc[339]	5	5	0	9,612	520
Sierra[340]	6	4	0	3,207	1,871
Cases reported by each county's health department. Cases reported are those of county residents, including those who tested positive elsewhere in California.

External 3D models
LA County Communities COVID-19 Cases Center for Geospatial Science and Technology California State University, Northridge Steven Graves[341] continuously updated
Map: LA COVID-19 by Community via ArcGIS
Walkthrough: COVID-19 in LA County via ArcGIS

External 3D model
Los Angeles Times Tracking California coronavirus confirmed cases continuously updated
Coronavirus Maps & Tables

Person wearing a mask in Chinatown, San Francisco, California on February 9, 2020

Charts of medical cases by county:

• Los Angeles County
• Orange County
• San Diego County
• San Francisco County (data from Timeline)[92]
• San Mateo County
• Santa Barbara County
• Santa Clara County (for tabular data, see COVID-19 cases)
• Ventura County

Charts last updated 17 July 2020

Weekly all-cause deaths in California :

Impact

Cancellations, closures and postponements

A nearly empty flight from Beijing to Los Angeles on March 15, 2020

Effects on education

Education in California has been impacted by the COVID-19 pandemic. For example, while most students in the state have switched to distance learning as a result of the COVID-19 pandemic, thousands of them lack laptops and Wi-Fi.[342] By April 10, 2020, a school of 21 students became the only school in the state to remain open.[343] However, by April 29, the school closed indefinitely, making it the last school in the state to do so.[344]

• K–12: On March 17, 2020, the California Department of Education provided guidance for K–12 schools:[345] This includes information regarding: Distance learning,[346] resources that support distance learning,[347] remote learning guidance,[348] designing a high-quality online course,[349] grading and graduation requirements,[350] and internet access;[351] school meals;[352] Special education;[353] child care and student supervision in the event of a school closure; and parent resources. The state also authorized $5.3 billion in the 2020-21 budget for Learning Loss Mitigation Funds, designed to help schools improve teaching and learning and access to virtual school.[354]
• California Community Colleges System (CCCS): California Community Colleges make up the largest system of higher education in the U.S., serving more than 2.1 million students.[355] It, too, has issued guidance regarding Novel Coronavirus 2019.[356] On May 18, Chancellor Eloy Ortiz Oakley said that California's 115 community colleges will likely continue to offer their classes fully online in the fall, noting that many colleges in the system had already announced this intention. Oakley added that he fully encouraged this decision as he believes it "will be the most relevant way for us to continue to reach our students and to do it in a way that commits to maintaining equity for our students."[357]
• California State University (CSU) system: With 23 campuses, the CSU is the largest four-year higher education system in the United States. On March 17, 2020, CSU issued a response to the COVID-19 outbreak, including that "the CSU is following guidance provided by the Centers for Disease Control and the U.S. Department of State".[358] The communication also included information regarding a plan for CSU's 23 campuses to accelerate their transition to online instruction.[359] On May 12, California State University Chancellor Timothy White announced that the CSU system would be offering fall 2020 courses primarily online "with some limited exceptions."[360] For spring 2020 alone, the CSU system is projecting a revenue loss of $337 million due to the pandemic, as a result of losses from student housing, parking and campus bookstores, combined with costs related to cleaning, overtime and the shift to distance education.[360]
• University of California (UC) system: Collectively, the ten colleges, institutions, and alumni of the UC make it the most comprehensive and advanced post-secondary educational system in the world.[361] On April 2, 2020, UC president Janet Napolitano and the chancellors of the 10 campuses gave assurances to UC employees.[362] On April 6, 2020, the UC Health Data Initiative launched daily updates on COVID-19 tests.[363] On the same day, the UC launched a grant program to spur COVID-19 related research.[364] Pertinent information for students, faculty, staff, and community is available for each campus: UC Berkeley,[365] UC Davis,[366] UC Irvine,[367] UCLA,[368] UC Merced,[369] UC Riverside,[370] UC San Diego,[371] UC San Francisco,[372] UC Santa Barbara,[373] and UC Santa Cruz.[374] On May 20, University of California president Janet Napolitano told the UC Board of Regents that "every campus will be open and offering instruction" in fall 2020, adding that she "anticipates that most, if not all of our campuses, will operate in some kind of hybrid mode" involving a mix of online and in-person instruction.[375] From the time that UC campuses shut down in mid-March through the end of April, the UC system experienced a $1.2 billion loss due to the pandemic.[375]

Effects on prisons

• Alameda County: On March 20, Alameda County officials announced that 247 people would be released from Santa Rita Jail, located in Dublin.[376]
• Los Angeles County: On March 17, the county Sheriff's Department announced that it had reduced the inmate population by 600 during the previous two weeks in an attempt to keep prisoners from being infected by coronavirus.[377]
• Santa Barbara County: As of April 17, the county jail had released 324 prisoners. The Sheriff announced on a Friday night that one inmate has tested positive for COVID-19.[377]
• San Diego County: On March 16, the Sheriff's Department said it had started reducing the number of people being accepted into the county's seven jails and had received approval for early release of some prisoners. Other measures included in-cell meals, a suspension of visitation, and suspension of jail programs.[378]

Effects on religion

Various faith organizations claim that social distancing orders issued by the state violate the constitutional right to freedom of religion and assembly. Bans of all gatherings, no matter the size, outside of places of residences put in place by local authorities have also been challenged.[379]

Churches and synagogues with more than 30 members officially closed doors March 12. Most began streaming online. When the quarantine officially began, all congregations were no longer able to gather. Most are holding weekly prayer meetings as well as Saturday or Sunday morning streaming of worship services. Mosques in California have stopped holding Friday prayer congregations.

On March 13, the Catholic Diocese of San Jose in California closed all diocesan schools from until at least April 20. It suspended public Masses and dispensed with the obligation to attend Mass from March 14 until further notice.[380] On March 18, the California Catholic Conference of bishops followed suit, suspending the public celebration of Mass throughout the state until further notice.[381] Many churches are conducting services online during the time of closure.

The United States Supreme Court denied to grant an emergency injunction on Newsom's May orders limiting churches to 25% capacity or 100 persons maximum ahead of the Pentecost on May 31. The denial was decided on a 5–4 vote, with Chief Justice John Roberts joining the four liberal Justices in denying the order by stating that "Although California's guidelines place restrictions on places of worship, those restrictions appear consistent with the Free Exercise Clause of the First Amendment. Similar or more severe restrictions apply to comparable secular gatherings, including lectures, concerts, movie showings, spectator sports, and theatrical performances, where large groups of people gather in close proximity for extended periods of time."[382]

Effects on sports

Sacramento Kings players shoot around after their March 11 game against New Orleans is postponed

The first U.S. sports cancellations attributed to the pandemic occurred in California; in accordance with a local health emergency in Riverside County, the 2020 BNP Paribas Open tennis tournaments at Indian Wells were postponed on March 8, 2020.[383][384]

After Santa Clara County banned all large gatherings larger than 1,000 people for a three-week period beginning March 11, the San Jose Sharks of the NHL and the Golden State Warriors of the NBA announced that all of their remaining home games of the regular season would be played behind closed doors with no spectators. With their game on March 12 against the Brooklyn Nets, the Warriors were to be the first professional sports team in the United States to play a home game behind closed doors due to the pandemic.[385][386][387] However, on March 11, after Utah Jazz players tested positive for COVID-19, the NBA suspended its regular season, and almost all other professional sports leagues and college athletics programs followed suit over the days that followed.[388]

On March 16, the CCCAA also canceled the remainder of the winter seasons as well as the spring seasons. They also restored a season of eligibility to those athletes who had already participated in the early season of spring sports.[389] On the same day, the NAIA cancelled their spring season as well.[390]

At the high school level, the California Interscholastic Federation (CIF) canceled the basketball state championship tournament after the Northern California and Southern California semifinals. During the tournament, Sheldon, Archbishop Riordan, and the Menlo School withdrew from the tournament after their schools were shut down. The CIF gave their reevaluation of the situation on April 3 and cancelled all spring sports.[391][392]

NASCAR raced at Auto Club Speedway a week before the Pandemic Began, it drew a tone of crowds at the race, however on may 8th NASCAR announced that Sonoma Raceway Would Not Host Their Cup in 2020 along with other motorsport leagues that race there such as NHRA for the rest of 2020 season

INDYCAR Series was schedule to Race at IMSA Weathertech Motorsport in Montrey on Sept 20, but however on March 26 the race was announced as a doubleheader on Sept 19–20, but on July 27 INDYCAR Cancelled the race due to High Numbers of Cases in California

Unemployment

As of April 8, over the preceding three weeks, California had processed over 2.4 million applications for unemployment assistance.[393]

A survey conducted April 17 found that fewer than half of the residents of Los Angeles County were employed, although some of this unemployment was supposed to be temporary.[394]

Effects on the economy

In January 2020, California expected a $5.6 billion surplus in the state budget by the time the fiscal year ended on June 30.[395] In May, however, the Department of Finance changed its projection, saying that the state would instead have a deficit of $54.3 billion. Some of this shortfall was caused by expenses for COVID-19 response (an unanticipated $7.1 billion for health programs and an additional $6 billion for other types of responses), but most was caused by the expectation that tax revenue—personal income, corporate, and sales—will be one-quarter lower than originally projected.[396][397]

See also

• COVID-19 pandemic in the San Francisco Bay Area
• Travel restrictions related to the COVID-19 pandemic
• Timeline of the COVID-19 pandemic in the United States
• COVID-19 pandemic in the United States – for impact on the country
• COVID-19 pandemic – for impact on other countries

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External links

• California CDPH Office of Public Affairs, news releases by California Department of Public Health (CDPH)
• Governor Newsom Issues New Executive Order Further Enhancing State and Local Government's Ability to Respond to COVID-19 Pandemic (March 12, 2020) – Cancel large gatherings more than 250 people
• Santa Clara County Coronavirus (COVID-19) Data Dashboard
• COVID-19 County Projections