CDC Reports US Influenza Activity, New Vaccine StrainsCDC Reports US Influenza Activity, New Vaccine Strains

Influenza A (H3N2), influenza A (H1N1)pdm09, and influenza B viruses cocirculated during the 2012 to 2013 US influenza season; agency announces 2013-2014 vaccine composition. Medscape Medical News
Source: Medscape Today Headlines - Category: Consumer Health News Tags: Infectious Diseases News Source Type: news