The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...

H5N1 with a groundbreaking strategy that puts the nation’s milk supply under the microscope. The USDA’s Animal and Plant Health Inspection Service (APHIS) announced the addition of seven more ...

This colorized electron microscope image released by the NIAID shows avian influenza A H5N1 virus particles, shown in yellow, grown in Madin-Darby Canine Kidney (MDCK) epithelial cells, shown in blue.

Health officials have confirmed the presence of H5N1 (bird flu) in a backyard poultry flock in San Mateo County. The county said that while there are no current human cases of bird ...

A child in San Francisco who had red eyes and a fever had a probable case of H5N1 bird flu, according to the city’s Department of Public Health. The case was caught by routine surveillance.

According to the Centers for Disease Control and Prevention (CDC), there have been 67 confirmed human cases of H5N1 bird flu ...

Poultry can still be exhibited and sold in unaffected counties with biosecurity measures in place. The department may extend ...

deputy under secretary for marketing and regulatory programs for the USDA, at a press conference on Thursday. But H5N1-infected birds “are not permitted in any food product at all. They are most ...

But how do researchers know that if a person tests positive for influenza A, it’s not H5N1 avian flu? “We don’t have the ability to differentiate through quick, antigen tests at this time ...

"Under USDA (U.S. Department of Agriculture) definitions, commercial poultry is classified as poultry and anything that isn't commercial is designated as non-poultry or backyard." H5N1 infections ...