The Mayo Clinic warns COVID-19 and the common cold share similar symptoms, especially early in the onset.

New Hampshire has recorded its first flu-related death of the season, even as influenza activity is low across the state.

The convergence of disease threats, including Covid, flu, RSV and norovirus threatens to overwhelm hospitals, disrupt ...

It's once again the time of year for an uptick in illnesses such as colds, the flu, COVID and RSV. Here are the signs and ...

As flu season peaks, and with several other illnesses going around, here's how to stay safe and healthy this season.

Recent weeks have brought good news about vaccines, with studies indicating that flu vaccination reduces heart disease, ...

Oregon may be facing a harsher flu season this year, as a more severe virus is beginning to spread earlier and faster nationwide, though it remains to be seen how sickly things will get. Why it ...

China and Russia are battling surging cases of the A(H3N2) flu strain, with overwhelmed hospitals and flu medication ...

A CDC panel decided to end the universal birth dose of a hepatitis B vaccine for newborns, with some officials pointing to ...

A mysterious virus that has overwhelmed hospitals in China has now spread to Russia and the UK, with Russia reporting a 20% ...

H3N2 flu cases are tripling in some countries as a new version with seven mutations spreads worldwide. US data remains ...

Norovirus is a “very contagious” germ that causes vomiting, diarrhea and stomach cramps, according to the California Department of Public Health. The virus inflicts acute gastroenteritis — ...