Sheryl van Nunen

Sheryl van Nunen, FRACP, is an Australian allergy researcher and Senior Staff Specialist in the Department of Clinical Immunology and Allergy at Royal North Shore Hospital in Sydney, Australia, and Clinical Associate Professor at the Sydney Medical School - Northern, University of Sydney.

Associate Professor

Sheryl van Nunen
NationalityAustralian
Alma materUniversity of Sydney
Scientific career
FieldsImmunologist
InstitutionsUniversity of Sydney

Van Nunen is widely recognized for her work in 2007 identifying tick-induced mammalian meat allergy,[1][2][3] which has increased in prevalence worldwide since then.[4] In 2007 she was the first immunologist in the world to describe in a published paper the link between ticks and meat allergy.[5][6][7]

In 2018, after four years in development, van Nunen, in collaboration with a pharmaceuticals company and northern Sydney hospital Emergency Department, released a world-first freeze spray designed to be topically applied to ticks that have attached to humans. The spray kills ticks by freezing, rather than by the traditional method of removal using tweezers. Removing ticks by tweezers was found to have a significantly detrimental effect because tweezers squeeze toxins from the tick into the host and thereby significantly increase the allergen injected.[8][9] A study released last year[10] by van Nunen supports the growing consensus in Australia to kill the tick in situ rather than pull the tick out.[11]

References
  1. McMahon, Alle (18 January 2019). "How tick bites can make some people allergic to meat and milk". ABC News. Retrieved 18 March 2019.
  2. Velasquez-Manoff, Moises (24 July 2018). "What the Mystery of the Tick-Borne Meat Allergy Could Reveal". The New York Times. ISSN 0362-4331. Retrieved 18 March 2019.
  3. Van Nunen, Sheryl (27 September 2017). "Tick bites and Mammalian Meat Allergy: Spring Seminar on Emergency Medicine" (PDF). Peripheral Hospitals Emergency Medicine Conference.
  4. "How a tick bite could make you allergic to meat". Food. Retrieved 18 March 2019.
  5. Barrowclough, Anne (16 July 2016). "The unusual suspects". The Weekend Australian Magazine. Retrieved 8 September 2019.
  6. Van Nunen, Sheryl A; O’Connor, Kate S; Clarke, Lesley R; Boyle, Richard X; Fernando, Suran L (4 May 2009). "An association between tick bite reactions and red meat allergy in humans" (PDF). The Medical Journal of Australia. 190 (9): 510–511. doi:10.5694/j.1326-5377.2009.tb02533.x.
  7. van Nunen, Sheryl; O'Connor, K.; Fernando, S.; Clarke, L.; Boyle, R. (November 2007). "THE ASSOCIATION BETWEEN IXODES HOLOCYCLUS TICK BITE REACTIONS AND RED MEAT ALLERGY". Internal Medicine Journal. 37: 17.
  8. Cross, Julie (27 October 2018). "Giving ticks the flick with world-first freezing spray". The Manly Daily.
  9. Webb, Cameron. "Tackling the tricky task of tick removal". The Conversation. Retrieved 15 February 2020.
  10. Taylor, Benjamin William Phillips; Ratchford, Andrew; van Nunen, Sheryl; Burns, Brian (3 April 2019). "Tick killing in situ before removal to prevent allergic and anaphylactic reactions in humans: a cross-sectional study". Asia Pacific Allergy. 9 (2): e15. doi:10.5415/apallergy.2019.9.e15. ISSN 2233-8268. PMC 6494660. PMID 31089457.
  11. Salleh, Anna (1 January 2020). "Tweeze vs freeze: Here's the lowdown on how to get rid of a tick". ABC News. Retrieved 15 February 2020.


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