Norovirus can strike suddenly, leaving you feeling nauseous and exhausted. Here's what to know if it hits you this winter.

Plus, when it’s time to see a doctor.

People in the U.K. who have already had norovirus this season could still be at risk due to a shift in circulating strains, according to new data from the UK Health Security Agency (UKHSA). Norovirus ...

You can get norovirus at any time of year ...