2009 swine flu pandemic timeline summary
This article covers the chronology of the 2009 novel influenza A (H1N1) pandemic. Flag icons denote the first announcements of confirmed cases by the respective nation-states, their first deaths (and other major events such as their first intergenerational cases, cases of zoonosis, and the start of national vaccination campaigns), and relevant sessions and announcements of the World Health Organization (WHO), the European Union (and its agency the European Centre for Disease Prevention and Control), and the U.S. Centers for Disease Control (CDC).
![](../I/m/H1N1_map_by_confirmed_community_outbreaks.svg.png)
Community outbreaks, June 2009
![](../I/m/H1N1_June_3_2009_USA.svg.png)
Confirmed cases by state, June 3, 2009
Unless otherwise noted, references to terms like S-OIV, H1N1 and such, all refer to this new A(H1N1) strain and not to sundry other strains of H1N1 which are endemic in humans, birds and pigs.
Summary
2009 | A(H1N1) Outbreak and Pandemic Milestones |
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17 March | ![]() |
28 March | ![]() |
12 April | ![]() |
24 April | ![]() |
25 April | ![]() |
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27 April | ![]() |
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28 April | ![]() |
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29 April | ![]() |
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30 April | ![]() |
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1 May | ![]() |
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2 May | ![]() |
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3 May | ![]() |
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4 May | ![]() |
5 May | ![]() |
6 May | ![]() |
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7 May | ![]() |
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8 May | ![]() |
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9 May | ![]() |
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10 May | ![]() |
12 May | ![]() |
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13 May | ![]() |
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14 May | ![]() |
15 May | ![]() |
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16 May | ![]() |
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17 May | ![]() |
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18 May | ![]() |
19 May | ![]() |
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21 May | ![]() |
22 May | ![]() |
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23 May | ![]() |
24 May | ![]() |
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25 May | ![]() |
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26 May | ![]() |
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27 May | ![]() |
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28 May | ![]() |
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29 May | ![]() |
30 May | ![]() |
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31 May | ![]() |
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1 June | ![]() |
2 June | ![]() |
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3 June | ![]() |
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4 June | ![]() |
5 June | ![]() |
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7 June | ![]() |
8 June | ![]() |
9 June | ![]() |
10 June | ![]() |
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11 June | ![]() |
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12 June | ![]() |
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14 June | ![]() |
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15 June | ![]() |
16 June | ![]() |
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17 June | ![]() |
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18 June | ![]() |
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19 June | ![]() |
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20 June | ![]() |
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21 June | ![]() |
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22 June | ![]() |
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23 June | ![]() |
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24 June | ![]() |
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25 June | ![]() |
26 June | ![]() |
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27 June | ![]() |
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28 June | ![]() |
29 June | ![]() |
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30 June | ![]() |
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1 July | ![]() |
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2 July | ![]() |
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3 July | ![]() |
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4 July | ![]() |
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5 July | ![]() |
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6 July | ![]() |
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7 July | ![]() |
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8 July | ![]() |
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9 July | ![]() |
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10 July | ![]() |
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11 July | ![]() |
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13 July | ![]() |
14 July | ![]() |
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15 July | ![]() |
16 July | ![]() |
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18 July | ![]() |
19 July | ![]() |
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20 July | ![]() |
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21 July | ![]() |
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22 July | ![]() |
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23 July | ![]() |
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24 July | ![]() |
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25 July | ![]() |
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26 July | ![]() |
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27 July | ![]() |
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28 July | ![]() |
29 July | ![]() |
30 July | ![]() |
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31 July | ![]() |
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2 August | ![]() |
3 August | ![]() |
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4 August | ![]() |
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5 August | ![]() |
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6 August | ![]() |
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7 August | ![]() |
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8 August | ![]() |
9 August | ![]() |
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10 August | ![]() |
12 August | ![]() |
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13 August | ![]() |
14 August | ![]() |
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15 August | ![]() |
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17 August | ![]() |
18 August | ![]() |
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19 August | ![]() |
20 August | ![]() |
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21 August | ![]() |
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22 August | ![]() |
23 August | ![]() |
24 August | ![]() |
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26 August | |
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28 August | ![]() |
29 August | ![]() |
30 August | ![]() |
31 August | ![]() |
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1 September | ![]() |
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2 September | ![]() |
3 September | ![]() |
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4 September | ![]() |
7 September | ![]() |
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8 September | ![]() |
9 September | ![]() |
10 September | ![]() |
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11 September | ![]() |
14 September | ![]() |
15 September | ![]() |
17 September | ![]() |
18 September | ![]() |
21 September | ![]() |
23 September | ![]() |
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25 September | ![]() |
28 September | ![]() |
29 September | ![]() |
30 September | ![]() |
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1 October | ![]() |
4 October | ![]() |
6 October | ![]() |
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10 October | ![]() |
12 October | ![]() |
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13 October | ![]() |
15 October | ![]() |
18 October | ![]() |
19 October | ![]() |
20 October | ![]() |
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21 October | ![]() |
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22 October | ![]() |
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23 October | ![]() |
24 October | ![]() |
25 October | ![]() |
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26 October | ![]() |
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27 October | ![]() |
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29 October | ![]() |
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30 October | ![]() |
31 October | ![]() |
1 November | ![]() |
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2 November | ![]() |
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3 November | ![]() |
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4 November | ![]() |
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5 November | ![]() |
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6 November | ![]() |
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7 November | ![]() |
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8 November | ![]() |
9 November | ![]() |
11 November | ![]() |
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12 November | ![]() |
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13 November | ![]() |
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14 November | ![]() |
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16 November | ![]() |
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17 November | ![]() |
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18 November | ![]() |
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19 November | ![]() |
20 November | ![]() |
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23 November | ![]() |
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24 November | ![]() |
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27 November | ![]() |
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28 November | ![]() |
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30 November | ![]() |
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1 December | ![]() |
2 December | ![]() |
3 December | ![]() |
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4 December | ![]() |
7 December | ![]() |
9 December | ![]() |
13 December | ![]() |
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14 December | ![]() |
15 December | ![]() |
16 December | ![]() |
17 December | ![]() |
20 December | ![]() |
21 December | ![]() |
27 December | ![]() |
2010 | A(H1N1) Outbreak and Pandemic Milestones |
1 January | ![]() |
5 January | ![]() |
11 January | ![]() |
15 January | ![]() |
19 January | ![]() |
20 January | ![]() |
29 January | ![]() |
3 February | ![]() |
9 February | ![]() |
25 February | ![]() |
27 March | ![]() |
2 April | ![]() |
12 April | ![]() |
26 April | ![]() |
10 August | ![]() |
gollark: Which is a sort of dark græy.
gollark: It was designed for Discord dark mode.
gollark: Yes, that's kind of a design flaw.
gollark: Although it is cool that your glasses create halos.
gollark: This infographic describes the result of this:
See also
- 2009 flu deaths by region
References
- (in Dutch) Eerste Nederlandse dode gemuteerd griepvirus, De Volkskrant (December 3, 2009)
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