Study findings provide new details on a Caspian tern die-off near Port Townsend in 2023 and how the virus killed seals in the region, infecting their brains.

The United States Department of Agriculture confirmed the presence of bird flu in Hawaii on Monday, the first case of the virus in a domestic flock in the state since the current outbreak began in ...

The Centers for Disease Control and Prevention on Friday confirmed that a person contracted bird flu in a case linked to an ...

Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

The genetic sequence of the H5N1 bird flu virus that infected a teenager in British Columbia shows that the virus had undergone mutational changes that would make it easier for that version of H5N1 to ...

It’s been nearly eight months since avian flu was first detected in U.S. dairy herds, and cases in both cows and humans continue to pile up. That slow burn of infections through our nation’s livestock ...

Poultry on a commercial farm in England have been infected with the bird flu virus, the U.K. government said Sunday. The H5N1 virus was found in kept birds in St. Ives, a seaside town in Cornwall. All ...

So far, there have been 52 confirmed cases of avian influenza, commonly referred to as the "bird flu," in humans in 2024. Two of the infected patients have been in Missouri.

The Oregon Health Authority said there's no evidence of person-to-person transmission and the risk to the public is low.

Reports this week of a teen in British Columbia who tested positive for H5 avian influenza has renewed attention on the virus ...

With 46 U.S. cases and alarming signs of the virus crossing species, experts warn of unpredictable risks if human-to-human ...