State and federal data show high levels of respiratory illnesses. Here's what to know about the illnesses circulating this winter, their symptoms and how to prevent them.

This winter’s dominant norovirus strain is a newer variant called the G11.17 [P17], CBS reports, citing data from a network ...

The number of norovirus cases is increasing across the US, but there are ways to reduce your chances of infection and stave ...

Fact checked by Nick Blackmer Cases of norovirus, a highly contagious stomach bug, have surged this winter. Nearly 1,000 cruise passengers on multiple ships got sick from a gastrointestinal illness ...