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Avian flu viruses do not normally infect humans.
Bild flur. Most forms of the virus are restricted to birds. However sporadic human infections with avian flu viruses. When bird flu does strike humans it can be deadly. The global spread of h5n1 influenza in birds is considered a significant pandemic threat.
Avian influenza refers to the disease caused by infection with avian bird influenza flu type a viruses. While other h5n1 influenza strains are known they are significantly different on a genetic level from a recent highly pathogenic emergent strain of h5n1 which was able to achieve hitherto unprecedented global spread in 2008. These viruses occur naturally among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species. Out of the three types of influenza.
The h5n1 strain is a fast mutating highly pathogenic avian influenza virus. Bird flu or avian influenza is a viral infection spread from bird to bird. Currently a particularly deadly strain of bird flu h5n1 continues to spread among poultry in egypt and in. Bird flu also called avian influenza is a viral infection that can infect not only birds but also humans and other animals.
Bird flu is caused by a type of influenza virus that rarely infects humans.