A dangerous bird flu, in other words, was suddenly circulating in mammals — mammals with which people have ongoing, extensive ...

At the viral chatter stage of an outbreak, pathogens are just starting to infect people in sporadic bursts. It’s a sign that ...

In recent news appearances, Department of Health and Human Services Secretary Robert F. Kennedy Jr. has suggested allowing ...

Supplying Americans with eggs would be complicated for foreign producers — and not because of political tensions over the ...