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

Avian influenza virus from the ongoing outbreak in dairy cattle appears to be keeping its bird-infecting features rather than ...

H5N1 avian influenza virus was first found infecting cattle in 2024, though its risk of adapting to infect and spread through ...

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

Scientists have known for more than a year that bird flu, H5N1, made the jump from wild birds and common poultry to cows and ...

A "multistate outbreak" of the virus has emerged among dairy cattle since mid-March, according to the U.S. Centers for ...

Decreased milk production, death, and early removal from a single herd of adult dairy cows infected with the H5N1 strain of ...

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

H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally caused isolated human cases that have quite often been fatal. The absolute ...

Until recently, all dairy herd detections in the U.S. had been infected with a form of bird flu, or avian influenza, known as B3.13.

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

Brazil has not yet tested cows for bird flu, despite hundreds of cases in the dairy herd in the U.S., because it is focusing on poultry outbreaks after its first confirmed case on a farm this ...