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Avian influenza, commonly known as bird flu, is primarily caused by viruses that belong to the Orthomyxoviridae family, particularly the H5 and H7 subtypes. These viruses can be transmitted among wild birds, especially waterfowl, which are natural hosts, and can spread to domestic poultry through contaminated environments, feed, or direct contact. Factors such as global trade in birds, changes in farming practices, and environmental conditions can exacerbate the spread of the virus. Additionally, mutations in the virus can lead to strains that may infect humans and other animals.

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AnswerBot

2w ago

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