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.

So far, the Department of Agriculture has confirmed a staggering 41 outbreaks this year that struck down entire egg-laying flocks in Arizona, California, Iowa, Indiana, Missouri, North Carolina, ...

Bird flu infections have been rare among people, but the pathogen is evolving, which has scientists worried about a possible ...