Bild Flur
Bird flu or avian influenza is a viral infection spread from bird to bird.
Bild flur. These viruses occur naturally among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species. Bird flu also called avian influenza is a viral infection that can infect not only birds but also humans and other animals. Currently a particularly deadly strain of bird flu h5n1 continues to spread among poultry in egypt and in. 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.
Avian influenza refers to the disease caused by infection with avian bird influenza flu type a viruses. Avian influenza known informally as avian flu or bird flu is a variety of influenza caused by viruses adapted to birds. Bird flu is caused by a type of influenza virus that rarely infects humans. The type with the greatest risk is highly pathogenic avian influenza hpai bird flu is similar to swine flu dog flu horse flu and human flu as an illness caused by strains of influenza viruses that have adapted to a specific host.
More than a dozen types of bird flu have been identified including the two strains that have most recently infected humans h5n1 and h7n9. Most forms of the virus are restricted to birds. The h5n1 strain is a fast mutating highly pathogenic avian influenza virus. Avian flu viruses do not normally infect humans.
However sporadic human infections with avian flu viruses.