Recommended composition of influenza virus vaccines for use in the 2009 southern hemisphere influenza season
It is recommended that vaccines for use in the 2009 influenza season (southern 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/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/Florida/4/2006 and B/Brisbane/3/2007 (a B/Florida/4/2006-like virus) are current vaccine viruses.
For more information
Recommended composition of influenza virus vaccines for use in the 2009 influenza season [pdf 135kb]