The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.

Five birds across LA County tested positive for highly pathogenic avian influenza H5, also known as H5 bird flu, officials said.

With fall bird migration underway, scientists are already seeing a new wave of bird flu outbreaks. More than 3.5 million poultry have died in the last 30 days. That's according to the USDA. In ...

A research veterinarian gives practical advice to homeowners for how to protect themselves and their flocks from bird flu.

In partnership with the Marine Mammal Center and NOAA, the implementation of the bird flu vaccine in marine mammals was ...

It is not yet clear whether the new H3N2 Flu A subclade K subvariant will reduce the efficacy of the flu vaccine this season.

Two endangered Hawaiian monk seal pups are responding well after receiving vaccinations against a highly contagious strain of avian influenza that has decimated other marine mammal populations.

Since bird flu was first identified in U.S. dairy herds in March 2024, Wisconsin dairy herds have managed to avoid the virus - until now.

For the first time in Wisconsin, bird flu was detected in dairy cattle in Dodge County. State officials offer advice for ...