News & Perspective

(CIDRAP News) – The World Health Organization (WHO) today changed the H5N1 avian influenza strains recommended for candidate vaccines for the first time since 2004, causing some experts to question how far the virus has evolved.

The WHO's new prototype strains, prepared by reverse genetics, include three new H5N1 subclades.

(CIDRAP News) – A new project to help improve control strategies for avian influenza has been initiated in eight Asian countries, the World Organization for Animal Health (OIE) announced yesterday.