During July-December 2011, a variant virus, influenza A(H3N2)v, caused 12 human cases of influenza. The virus contained genes originating from swine, avian, and human viruses, including the M gene from influenza A(H1N1)pdm09 virus. Influenza A(H3N2)v viruses were antigenically distinct from seasonal influenza viruses and similar to proposed vaccine virus A/Minnesota/11/2010.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3358066 | PMC |
http://dx.doi.org/10.3201/eid1805.111922 | DOI Listing |
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