Boulder County Health officials said the bird was found on private property near a flock of chickens kept in a run.

Brockton said bird flu tests came back positive but the city has partially reopened D.W. Field Park anyhow. What to know ...

A study published Thursday by the Centers For Disease Control and Prevention suggests bird flu infections in humans are being ...

Raw pet food for cats has been identified as a source of bird flu infection in Oregon house cats. The cats became ill ...

Bird flu takes toll on farmersBlood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the virus is capturing, according to a new study by ...

The Trump administration has disrupted the U.S. response to bird flu as the outbreak worsens, leading to confusion and ...

With threats of avian flu and lead poisoning, biologists are working overtime to care for a species that nearly went extinct.

Geese have been dying in clusters in Allentown. Officials fear a bird flu outbreak and have closed parks while awaiting test results.

Two cats living in separate households in Multnomah County, Oregon, fell ill after consuming the raw pet food. After consultation with their veterinarians, owners of the animals agreed to euthanize ...

The US is in the throes an unusually intense and severe flu season, with hospitalization rates topping the levels seen with ...

H5N1 bird flu has silently spread from animals to some humans who treat animals, according to a study, by the US Centers for ...

More Americans may have had bird flu without suffering any symptoms, a new study finds. That could allow the virus to mutate into something more dangerous.