Recommended composition of influenza virus vaccines for use in the 2012 southern hemisphere influenza season
It is recommended that vaccines for use in the 2012 influenza season (southern hemisphere) contain the following:
- an A/California/7/2009 (H1N1)pdm09-like virus;
- an A/Perth/16/2009 (H3N2)-like virus;
- a B/Brisbane/60/2008-like virus.