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Recommended composition of influenza virus vaccines for use in the 2008-2009 northern hemisphere influenza season

It is recommended that vaccines for use in the 2008-2009 influenza season (northern hemisphere winter) contain the following:

— an A/Brisbane/59/2007 (H1N1)-like virus;
— an A/Brisbane/10/2007 (H3N2)-like virus;*
— a B/Florida/4/2006-like virus.#

* A/Brisbane/10/2007 is a current southern hemisphere vaccine virus.
# B/Florida/4/2006 and B/Brisbane/3/2007 (a B/Florida/4/2006-like virus) are current southern hemisphere vaccine viruses.

For more information

Recommended composition of influenza virus vaccines for use in the 2008–2009 influenza season [pdf 103kb]