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
23 April 2009
Avian influenza - situation in Egypt - update 13
21 April 2009
Avian influenza - situation in Egypt - update 12
23 April 2009
Cumulative Number of Confirmed Human Cases of Avian Influenza A/(H5N1) Reported to WHO
23 March 2009 H5N1 avian influenza: timeline of major events
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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 February 2009 Full text