Recommended composition of influenza virus vaccines for use in the 2018 southern hemisphere influenza season.

Recommended composition of influenza vaccines for use in the 2012 southern hemisphere influenza season.

Recommended composition of influenza virus vaccines for use in the 2016 southern hemisphere influenza season.

Recommended composition of influenza virus vaccines for use in the 2013 southern hemisphere influenza season.

Recommended composition of influenza virus vaccines for use in the 2011-2012 northern hemisphere influenza season.

The World Health Organization (WHO) convenes technical consultations in February and September each year to recommend viruses for inclusion in influenza vaccines for the northern and southern hemispheres, respectively. This recommendation relates to the influenza vaccines for the forthcoming influenza season in the northern hemisphere (2011-2012). A recommendation will be made in September 2011...

Recommended composition of influenza virus vaccines for use in the 2005 influenza season.

This recommendation relates to the composition of vaccines for the forthcoming winter in the southern hemisphere (May–October 2008). A recommendation will be made in February 2008 relating to vaccines that will be used for winter in the northern hemisphere (November 2008–April 2009). Epidemiological considerations will influence which recommendation (September 2007 or February 2008) is more app...