Those infected with the flu are most contagious during the first three days, the CDC said. In some cases, however, people can ...

This holiday season, New Hampshire is grappling with a rapid spread of Norovirus, a contagious illness known for causing ...

Don't just assume symptoms like nausea and vomiting are a stomach bug. It could also be this nightmare illness.

Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is surging again. Here's what to expect and ...

A key symptom of the brutal 'superflu' sweeping the UK has been identified - and it's pretty gruesome. Doctors have issued a ...

The UK is experiencing a more aggressive flu season, with the H3N2 strain potentially causing more severe symptoms, including ...

In New York the number of flu cases has been rising over the past few weeks with the states flu tracker showing more than ...

A variant of influenza A, H3N2, is spreading across the U.S., with low vaccination rates contributing to infection rates.

There are some unusual symptoms being reported with a new and mutated flu variant quickly spreading in the U.S. ahead of ...

Last winter, flu activity broke records in the U.S. And while this flu season is just starting — and it's already shaping up to be another rough one. Flu is picking up steam earlier this year than ...

Doctors across the country say flu season has arrived earlier than usual and is hitting people — mainly kids, so far — especially hard. “I don’t think I ever remember seeing it this severe, this soon, ...