Nelson Lee, MBBS, MD; Paul K.S. Chan, MBBS, MD; Wai-yip Lam, PhD; Cheuk-chun C. Szeto, MBChB, MD; David S.C. Hui, MBBS, MD
Potential Conflicts of Interest: None disclosed.
Lee N., Chan P., Lam W., Szeto C., Hui D.; Co-infection With Pandemic H1N1 and Seasonal H3N2 Influenza Viruses. Ann Intern Med. 2010;152:618-619. doi: 10.7326/0003-4819-152-9-201005040-00021
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Published: Ann Intern Med. 2010;152(9):618-619.
Background: One immediate concern about the current influenza pandemic is whether the virus will further reassort with other cocirculating influenza subtypes in humans or an intermediate host (1, 2). However, despite annual cocirculation of different subtypes of influenza A viruses, dual infection has rarely been reported (3). In Hong Kong, there are 2 seasonal peaks of influenza activity. In 2009, the summer peak for seasonal influenza coincided with the first wave of the pandemic (4).
Objective: To report the first documented dual infection of pandemic (H1N1) 2009 and seasonal H3N2 viruses in a human.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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