More than 100 federal scientists who track bird flu, including vaccine and food safety experts, have been laid off. This comes as the deadly pathogen rips through dairy herds and poultry flocks.

A dangerous bird flu, in other words, was suddenly circulating in mammals—mammals with which people have ongoing, extensive contact. "Holy cow," says ... infections are "dead ends," Richards ...

A dangerous bird flu, in other words, was suddenly circulating in mammals—mammals with which people have ongoing, extensive contact. “Holy cow,” says Thomas Friedrich, a virologist at the Un ...

Veterinary experts nationwide have a variety of hypotheses for new and puzzling test results from cow milk being analyzed ... Since then, bird flu has infected 996 herds across the country ...