The Powassan virus is spread mainly by the deer tick, the same one that carries Lyme disease.

Nashville detects West Nile virus in mosquitoes for the first time in 2026, prompting officials to urge residents to ...

The U.S. is seeing some of the highest West Nile virus activity in years.

The norovirus outbreak comes just months after the much more deadly hantavirus spread through a Dutch-flagged cruise ship ...

Though it is commonly called the "winter vomiting disease," norovirus outbreaks are still cropping up around the country in late May.

The Southern Nevada Health District reported that 10 additional mosquito pools tested positive for West Nile virus in Clark ...

Mosquitoes collected in Dix Hills last month have tested positive for the West Nile virus, the first this year, Suffolk ...

Mosquitoes collected during routine monitoring near the San Carlos neighborhood have tested positive for West Nile virus, prompting county leaders to urge the public to take precautions. Mosquito ...

Sacramento County confirmed its first human West Nile virus case of 2026. The patient, a woman in her 60s, is recovering, officials said.

A virus that typically infects marine animals, such as shrimp and fish, has jumped to humans and is causing chronic eye disease in some people, according to a study published in the journal Nature ...

A newly discovered virus hiding inside common gut bacteria may be linked to colorectal cancer, according to new research. Scientists in Denmark found that colorectal cancer patients were about twice ...