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Influenza: CDC updates vaccine effectiveness, treatment recommendations


According to early data from CDC, the influenza vaccine is estimated to be only 23% effective against the influenza virus this 2014–15 season. In response to widespread influenza activity, CDC released updated recommendations on the use of antivirals for patients with influenza that focus on rapid treatment of all hospitalized, severely ill, and high-risk patients. 


Centers for Disease Control and Prevention. CDC health update regarding treatment of patients with influenza with antiviral medications. Accessed: January 26, 2015.

Centers for Disease Control and Prevention. Early estimates of seasonal influenza vaccine effectiveness—United States, January 2015. January 26, 2015.