Wednesday, February 18, 2009

WHO: Recommended composition of influenza virus vaccines for use in the 2009-2010 northern hemisphere influenza season

It is recommended that vaccines for use in the 2009-2010 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/Brisbane/60/2008-like virus.#

* A/Brisbane/59/2007 is a current vaccine virus; A/South Dakota/6/2007 (an A/Brisbane/59/2007-like virus) is a current vaccine virus used in live attenuated vaccines.
** A/Brisbane/10/2007 and A/Uruguay/716/2007 (an A/Brisbane/10/2007-like virus) are current vaccine viruses.
# B/Brisbane/33/2008 is a B/Brisbane/60/2008-like virus.

For more information


Recommended composition of influenza virus vaccines for use in the 2009-2010 influenza season [pdf 44kb]

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