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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.

In Vermont, researchers have investigated the types of creepy, crawly bugs that their avian predators consume and may have ...

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.