Officials suspect wild migrating birds are likely to blame for the first known infection of a flock in Hawaii, which had been the last state in the country with no reported cases in poultry or wild ...

As a virus scientist in South Africa, I’ve been watching with dread as H5N1 bird flu spreads among animals in the United ...

It’s been nearly eight months since avian flu was first detected in U.S. dairy herds, and cases in both cows and humans ...

The H5N1 virus that infected a Canadian teen appears not to have spread, but it shows signs of mutation that makes flu ...

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 ...

Bird flu H5N1 has infected dozens of people in the U.S. this year. Could it trigger the next pandemic? Experts explain the threat and symptoms to watch for.

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

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 ...