A rapidly-spreading H5N1 avian influenza, otherwise known as bird flu, has been devastating bird flocks and showing signs of spreading to other mammals.

Between 500 and 1,000 suspected cases of H5N1, also called avian flu, have been reported in Massachusetts birds. Sharing ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

Experts say our cities have a valuable tool that can help us keep better tabs on the virus: sewage. While wastewater already ...

Are eggs safe to eat amid the current avian flu outbreak? Have people in the U.S. contracted bird flu? We VERIFY the answers to common questions.

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

Learn more about how a vaccine could help prevent the spread of the avian flu virus but may also cause the virus to evolve ...

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers wrote.

veterinary researchers identified the highly pathogenic H5N1 bird flu virus as the culprit. Long listed among pathogens with pandemic potential, the bird flu’s unprecedented spread among cows ...

No person-to-person spread of bird flu has been detected As of now, no person-to-person spread of H5N1 has been detected, and the Centers for Disease Control and Prevention continues to assess the ...

The virus is highly pathogenic and its spread among birds has been a persistent global issue.” How does H5N1 spread to humans? Most human cases have been linked to direct or indirect contact with ...