That individual was directly exposed to H5N1 from sick and dead birds in backyard poultry flocks. There have been 60 other confirmed human infections in the U.S., all without severe disease.

Bird flu has spread widely in poultry, causing egg shortages. Virus spillover has occurred in various mammal species, including humans. H5N1 does not currently have the ability to spread human to ...

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Bird flu or avian influenza is a group of viruses that primarily infects birds. Here are some more facts about bird flu, including the symptoms, how animals catch it and what people need to know.

The bird flu that’s been making news in the United States is a virus called H5N1. Some flu viruses carried by birds cause only mild infections and are classified as low-pathogenic viruses.

Bird flu has also been reported in dozens of mammal species, including dairy cows, sheep, cats - including some house cats - and humans. The virus is typically transferred direct from birds to humans.

Bird flu, also know as H5N1 or avian influenza, is a highly contagious disease among birds and poultry. There has never been a case, however, where humans have spread the bird flu to each other.