Scientists provided the most complete view of bird flu's spread through wild bird populations across North America, explaining how the dominant strain advanced, maintaining the risk of human ...

Highly pathogenic avian influenza H5N1 has killed black vultures across the southeastern United States in repeated waves that, unlike outbreaks in most wild bird species, have persisted year-round.

Los Angeles County health officials have documented the first known transmission of highly pathogenic avian influenza A(H5N1) ...

An additional case is suspected in Western Australia, which would bring the total number of bird flu infections to four ...

Last week, a day that ecologists and virologists in California have feared for years finally arrived. Officials confirmed seven weaned northern elephant seal pups tested positive for highly pathogenic ...

The H5N1 strain of highly pathogenic avian influenza has spread across the globe, infecting hundreds of birds and mammal species. Few places offer a clearer view of the virus’s spread in urban ...

Two dead seabirds are collected and tested for the H5N1 bird flu virus in South Australia, following Australia's first confirmed cases of the deadly variant this week.

At the start of 2025, health officials in Louisiana reported the first U.S. bird flu death and experts questioned whether highly pathogenic avian influenza A (H5N1) could lead to the next pandemic. A ...

The first ever avian influenza vaccine recently started trials in the UK. This marks a milestone in the prevention of bird flu infections in humans. The vaccine targets the H5N1 flu strain, which ...

The new map provides a direct explanation. "We could connect all the severe cases with the wild bird map," said co-first author Walter Harrington, PhD, St. Jude Department of Host-Microbe Interactions ...