Scientists have now traced why the H5N1 bird flu virus that jumped into U.S. dairy herds keeps turning up in cows’ udders and milk instead of their lungs. Controlled infections and lab work on cow ...

When highly pathogenic H5N1 bird flu spilled into U.S. dairy herds in 2024, veterinarians saw something strange: cows were not dying of pneumonia, but developing severe mastitis as the virus attacked ...

H5N1 bird flu caused severe infections in cows’ udders while largely sparing their lungs when it began spreading among U.S.

On America’s large dairy farms, milking is a vast operation, and the potential for disease transmission is worrying, health experts say. On America’s large dairy farms, milking is a vast operation, ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Early in 2024, H5N1 bird flu reached dairy herds in the United States and presented an unexpected pattern ...

The dairy industry has been plagued by a persistent global problem for decades—bacterial infection of cow udders that significantly reduces milk production. The condition, known as bovine mastitis, is ...