Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

Mpox is a disease caused by the highly infectious monkeypox virus. It's quite easily passed on from one person to another.

Researchers have identified new roles for a protein long known to protect against severe flu infection—among them, raising ...

University of Zagreb researcher Beata Halassy treated her breast cancer with an unproven virus-based therapy using viruses ...

A Canadian teen who is in critical condition after contracting H5N1 bird flu was infected with a version of the virus that is different from the one circulating in U.S. cattle.

Viruses work by taking control of our cells and carefully reprogramming them into machines to make more viruses. Because of ...

T helper (TH) cells are essential immune cells that help other immune cells function effectively. When activated in response to environmental stimuli, these cells can differentiate into either TH1 ...

Transmission of Oropouche virus to the womb has been confirmed in two stillbirths and one birth with congenital anomalies that occurred in Brazil.

The emergence of new viruses is often unpredictable, jumping as they might from infecting one species to another. A November ...

The detailed structure of a misfolded protein from a diseased deer could help explain why the disease hasn’t made the leap to humans.

No FDA-approved rapid tests exist that specifically test for H5N1, and the first near-point-of-care test for mpox was ...

You can transmit COVID-19 before you start showing symptoms or without ever developing symptoms. We're still learning about the COVID-19 virus in animals. Based on available information to date, ...