Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several ...

Tanzania has confirmed an outbreak of Marburg virus disease in the northwestern Kagera region after one case tested positive for the virus following investigations and laboratory analysis of suspected ...

New CDC data indicates a rise in cases of norovirus, often colloquially referred to as "stomach flu." Test positivity has ...

Avian influenza A (H5N1) has mutated, so the symptoms of bird flu could change as more people get sick in 2025.

Rates of norovirus in that CDC system have reached levels at or above last season's peak in all regions of the country.

The U.S. is seeing a "quad-demic" as cases of COVID-19, flu, RSV and norovirus spread at the same time. Experts said this is ...

The US Centers for Disease Control and Prevention is urging hospitals to accelerate advanced testing of people they suspect ...

The U.S. Centers for Disease Control and Prevention (CDC) confirmed another human H5N1 avian flu case -- otherwise kno ...

A child ill with fever and conjunctivitis in San Francisco tested positive for bird flu but had no known source of ...

Seasonal flu tends to spike from December to February. People who become infected tend to get a sore throat, cough, runny ...

A California child was recently confirmed as the third human case of bird flu with a known source of infection. What could this mean in our fight against the disease?