Known as subclade K, a new, mutated flu strain that has dominated in Europe and Asia is now rapidly spreading across the US.

Given the vomiting and diarrhea, the biggest risk with norovirus is dehydration, which can turn a short-term illness into a ...

COVID, norovirus, whooping cough, bird flu, dengue fever-- there is no shortage of viruses making headlines in the U.S. right now. But why does it seem like so many are getting sick lately? Stream NBC ...

They came for blood — and left behind something worse. Thousands of people in China have been infected with a painful mosquito-borne virus, triggering the country’s most aggressive public health ...

Rates of enterovirus D68 infections are on the rise across the United States, according to the nonprofit WastewaterSCAN network. This common virus can lead to a rare but serious polio-like ...

Two individuals in Germany who were transported from Hamburg Central Station to the University Medical Center Hamburg-Eppendorf (UKE) on Wednesday for precautionary examinations have tested negative ...

Cases of "sloth virus" have been reported in the U.S. and Europe for the first time. But what is it? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

A rare and deadly mosquito-borne disease has been popping up again this summer: eastern equine encephalitis, a viral illness that causes brain swelling in severe cases and has claimed at least one ...

Oropouche virus disease, sometimes called Oropouche fever or sloth fever, is an illness caused by the Oropouche virus that’s spread mostly by biting midges. Oropouche virus is found mostly in a few ...