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.

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