Lee, Vernon J.; Tan, Chi Hsien; Yap, Jonathan; Cook, Alex R.; Ting, Pei-Jun; Loh, Jin-Phang; Gao, Qiuhan; Chen, Mark I.; Kang, Wee Lee; Tan, Boon Huan; Tambyah, Paul A.
BACKGROUND Limited information is available about pandemic H1N1-2009 influenza vaccine effectiveness in tropical communities. We studied the effectiveness of a pandemic H1N1 vaccination program in reducing influenza cases in Singapore. METHODS A surveillance study was conducted among military personnel presenting with febrile respiratory illness from mid-2009 to mid-2010. Consenting individuals underwent nasal washes, which were tested with RT-PCR and subtyped. A vaccination program...[Show more]
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