Recommended composition of influenza virus vaccines for use in the 2014-2015 northern hemisphere influenza season
20 February 2014
It is recommended that trivalent vaccines for use in the 2014-2015 influenza season (northern hemisphere winter) contain the following:
- an A/California/7/2009 (H1N1)pdm09-like virus;
- an A/Texas/50/2012 (H3N2)-like virus;
- a B/Massachusetts/2/2012-like virus.
It is recommended that quadrivalent vaccines containing two influenza B viruses contain the above three viruses and a B/Brisbane/60/2008-like virus.
For more information
Recommended composition of influenza virus vaccines for use in the 2014-2015 influenza season - full report
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