The Arizona Department of Health Services says poultry in a backyard flock located in Maricopa County has tested positive for ...

The avian flu virus isolated from a hospitalized teenager in Vancouver has mutations in key areas that could help the virus ...

PHOENIX - Arizona officials say avian influenza has been detected in Maricopa County. Per a statement released jointly by the ...

Bird flu has just been detected in cartons of raw milk sold in California, the state's health agency said Sunday.

If it's a human, that means that there is human-to-human transmission going under the radar, and that is one of the signs a virus ... we're seeing bird flu spreading among poultry, wild birds ...

Meanwhile, Arizona reported its first bird flu outbreak on Nov. 15 in poultry at a commercial farm in Pinal County. The farmers spotted signs of illness in their poultry on Nov. 11. Officials ...

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Wild birds are natural hosts and reservoirs for all types of avian influenza viruses, so play a major role in the evolution, maintenance and spread of these viruses. Poultry infected with LPAI viruses ...

"As the birds were not showing signs ... flu in a critically ill hospitalized teenager. That patient had been infected by the D1.1 genotype of H5N1, which is related to another ongoing poultry ...

A Bay Area child tested positive for bird flu. Other California cases were traced ... according to the CDC. Dairy and poultry workers and people who work with wildlife face the greatest risk ...