It’s the leading cause of vomiting and diarrhea in the U.S., with multiple suspected outbreaks in Washington state.

Public Health Threats The world faces a host of public health threats this year including Avian flu, Norovirus, Human ...

But this winter, there’s a fourth bug that’s also bringing misery to the masses: Outbreaks of norovirus, a gastrointestinal affliction, are surging too, data from the Centers for Disease Control and ...