CDC – Seasonal Influenza (Flu) – Weekly Report: Influenza Summary …

February 13, 2009 — Jesse

Antigenic characterization of 2009 influenza A(H1N1) viruses indicates that these viruses are only distantly related antigenically and genetically to seasonal influenza A(H1N1) viruses, suggesting that little to no protection would be …

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CDC – Seasonal Influenza (Flu) – Weekly Report: Influenza Summary …

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