Scientists have now traced why the H5N1 bird flu virus that jumped into U.S. dairy herds keeps turning up in cows’ udders and ...

More than 1,070 dairy herds across 17 states have tested positive for H5N1 avian influenza, and California, home to the ...

The CDC is warning that drinking raw milk can lead to human infections from the bird flu virus. In a research report released Sept. 8, the Centers for Disease Control and Prevention outlined the risks ...

Infectious H5N1 avian influenza virus can persist in raw-milk cheeses while they are being made and for up to 120 days of aging, depending on the milk’s acidity (pH) level, according to a report ...

Researchers uncovered why H5N1 bird flu attacks cows’ udders instead of their lungs: the virus’s preferred receptors are concentrated in mammary tissue. The breakthrough could help scientists predict ...

Lessons from Dr. Maxwell Beal, the veterinarian who diagnosed the first case of HPAI in cattle in California in 2024.

Raw milk cheese products contained infectious avian influenza virus when made with contaminated raw milk, creating potential health risks for consumers, according to a new study. At the same time, no ...

The bird flu virus that has been spreading among dairy cows may travel through the air and wastewater at farms, not just from milking equipment, a new study finds. Researchers say this could put cows ...

California health officials are warning people to avoid a certain batch of raw milk after it tested positive for the bird flu. The state says Raw Farm, LLC of Fresno County has voluntarily recalled a ...

Study finds even trace exposure to H5N1 virus can trigger infection as spread between dairy herds remains unclear ...

The outbreak isn’t widespread, so the risk to humans is low. But it does have the potential to cause severe illness.