A version of the H5N1 bird flu virus known as B3.13 was confirmed in March after being introduced to cattle in late 2023, scientists said. It has infected more than 950 herds in 16 states.

Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.

An avian influenza pandemic remains within the realm of possibility. To reduce the risk, we need to engage in a One Health ...

For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza virus was rapidly sweeping through hundreds of herds of dairy cattle ...

Detections of H5N1 avian influenza have slowed in both animals and humans, but continued surveillance is warranted, CDC researchers said. In dairy cattle, cases surged over the fall and early ...

The parasitic fly that attacks warm-blooded animals was eliminated from the United States in the 1960s, but it’s creeping ...

Dairies say the USDA relief money helped them sustain operations as bird flu decimated milk production, but critics say the ...

Bird-flu vaccines for cattle could reduce the risk of animal-to-human transmission of the H5N1 virus. Credit: Dmitriy Shironosov/Alamy As bird flu sweeps across US poultry and cattle farms ...

The H5N1 bird flu has been spreading widely among wild birds, poultry and other animals around the world for several years, and starting early last year became a problem in people and cows in the U.S.

Bacteriologist and parasitologist Michelle Jakaitis uses a microscope to view a training sample of veligers, which are the ...

The H5N1 bird flu has been spreading widely among wild birds, poultry and other animals around the world for several years, and starting early last year became a problem in people and cows in the ...