Severity of influenza A(H1N1) illness and emergence of D225G variant, 2013-14 influenza season, Florida, USA.
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ABSTRACT: Despite a regional decline in influenza A(H1N1)pdm09 virus infections during 2013-14, cases at a Florida hospital were more severe than those during 2009-10. Examined strains had a hemagglutinin polymorphism associated with enhanced binding to lower respiratory tract receptors. Genetic changes in this virus must be monitored to predict the effect of future pandemic viruses.
SUBMITTER: Iovine NM
PROVIDER: S-EPMC4378462 | biostudies-literature |
REPOSITORIES: biostudies-literature
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