Just 10 viral particles of the H5N1 bird flu that caused hundreds of influenza outbreaks in U.S. dairy cattle can cause ...

When highly pathogenic H5N1 bird flu spilled into U.S. dairy herds in 2024, veterinarians saw something strange: cows were ...

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

When H5N1 bird flu first began infecting U.S. cattle in early 2024, diagnosis was elusive because, in cows, the disease ...

A concentrated sugar solution could be just as effective as antibiotics at treating a common infection in dairy cows, according to a new study led by researchers at Penn State. The results were ...

A new study looking at the distribution of receptors that flu viruses can attach to in different cow tissues may help to explain the pattern of illness being seen in the outbreak of H5N1 bird flu in U ...

Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with severe infections in humans, according to the Nevada Department of Agriculture ...

A new bird flu virus infection found in Colorado was attributed to dairy cows, making this the fourth case in the country where humans get the viral infection from their exposure to cattle. It is now ...

More Iowa herds have tested positive for a tick-borne parasite that can sicken and kill cattle, but experts said they still do not expect the illness to become widespread across the state. Grant ...

A flesh-eating parasite known as the New World screwworm has infected multiple cattle in Texas, alarming public health authorities. Experts stress screwworms rarely infect humans, and the beef supply ...