WHO is coordinating the global response to human cases of H5N1 avian influenza and monitoring the corresponding threat of an influenza pandemic. Information on this page tracks the evolving situation and provides access to both technical guidelines and information useful for the general public.
Latest information
14 January 2009
Avian influenza - situation in Egypt - update
Human cases of avian influenza A(H5N1) in North-West Frontier Province, Pakistan, October–November 2007 Full text
Options for the use of human H5N1 influenza vaccines and the WHO H5N1 vaccine stockpile
May 2008 Full text
Antigenic and genetic characteristics of H5N1 viruses and candidate H5N1 vaccine viruses developed for potential use as human vaccines
September 2008 Full text