9 October 2009, vol. 84, 41 (pp 420–436)
Contents
421 Recommended composition of
influenza virus vaccines for use
in the 2010 influenza season
(southern hemisphere winter)
432 Antigenic and genetic characteristics
of influenza A(H5N1)
viruses and candidate vaccine
viruses developed for potential
use in human vaccines
436 WHO web sites on infectious
diseases