Recommendations for Influenza Vaccine Composition
Northern hemisphere: 2004-2005
It is recommended that vaccines to be used in the 2004-2005 northern hemisphere influenza season contain the following:
- an A/New Caledonia/20/99(H1N1)-like virus
- an A/Fujian/411/2002(H3N2)-like virusa
- a B/Shanghai/361/2002-like virusb
a The currently used vaccine virus is A/Wyoming/3/2003. A /Kumamoto/102/2002 is also available as a vaccine virus.
b Candidate vaccine viruses include B/Shanghai/361/2002 and B/Jilin/20/2003 which is a B/Shanghai/361/2002-like virus.
For more detailed information please see:
Recommended composition of influenza virus vaccines for use in the 2004-2005 influenza season
Weekly Epidemiological Record, 27 February 2004