EXCLUSIVE: Expert comments on how a bird flu outbreak would be no surprise as CDC announces the "first instance of severe ...

The first patient in the U.S. was hospitalized with "severe" bird flu. Here's what you should know about symptoms, according ...

Bird flu virus has swept through farms across the nation’s largest dairy producing state. All human cases had been mild - ...

Over 800 million people have genital herpes — and in many cases the virus can flare up over a person's lifetime, causing ...