Influence of antigenic drift on the inte
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Pyhälä, Reijo (author);Visakorpi, Risto (author);Ikonen, Niina (author);Kleemola
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Article
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2003
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John Wiley and Sons
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English
⚖ 104 KB
## Abstract A total of 102,600 upper respiratory infections (URI) were recorded among young military conscripts in the Finnish Defence Forces during the study period from October 1991 to March 1994. This period covered three outbreaks caused by H3N2‐subtype influenza A virus and one outbreak of inf