Blood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the ...

This colorized electron microscope image released by the NIAID shows avian influenza A H5N1 virus particles, shown in yellow, grown in Madin-Darby Canine Kidney (MDCK) epithelial cells, shown in blue.

A dairy worker in Nevada was infected with a new type of bird flu that’s different from the version that has been spreading ...

Researchers at the University of Pittsburgh have taken a step toward developing a bird flu vaccine. And their findings could ...

All live poultry markets in New York City and some of its suburbs were ordered Friday to close for a week after the detection ...

CNN reported Saturday night that a worker tested positive for the D1.1 version of the H5N1 bird flu virus. Confirmation testing by the Centers for Disease Control and Prevention is underway.

The USDA has determined that pasteurized milk will not transmit this H5N1 virus to humans. Raw milk sales are legal in Nevada, but there are no farms certified to sell it, according to the department.

Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with ...

Federal health officials say a dairy worker in Nevada has been infected with a new type of bird flu that’s different from the ...