Recommended composition of influenza virus vaccines for use in the 2011-2012 northern hemisphere influenza season
17 February 2011
     | Meeting report
  
     Overview
17 February 2011
It is recommended that vaccines for use in the 2011-2012 influenza season (northern hemisphere) contain the following:
- an A/California/7/2009 (H1N1)-like virus;
 - an A/Perth/16/2009 (H3N2)-like virus;
 - a B/Brisbane/60/2008-like virus.
 
WHO Team
         
                 
Global Influenza Programme (GIP)