Chinese researchers have identified a key mutation in the Ebola virus that may explain why one of the deadliest outbreaks in recent history spread so widely and persisted for so long. Their findings ...

The African health agency Africa CDC and the World Health Organization (WHO) want to jointly investigate a possible mutation ...

We're keeping an eye on new influenza and SARS-CoV-2 viral variants. Here's what we know about those viruses—and your immune system's ability to fight back. According to the U.S. Centers for Disease ...

A key step in the origin of many pandemics occurs when an animal-borne virus infects humans and then evolves to spread more efficiently from person to person. That is why scientists and physicians ...

Jim Dolan has more on the omicron variant and what preliminary data suggests about the potency of the new strain. SAN FRANCISCO (KGO) -- Preliminary data out of South Africa is giving the world ...

In simple terms: a mutation is a stable change in genetic sequence that can be copied when cells or viruses replicate. Most mutations have no detectable effect, some contribute to disease, and a small ...

As we approach the five-year anniversary of the COVID-19 pandemic, it is worth reflecting not only on the paradigm-shifting impact of the initial outbreak, but also on how SARS-CoV-2 continues to ...

The World Health Organization and the Centers for Disease Control and Prevention have both designated beta as a “variant of ...

SAN ANTONIO — More than two dozen states have confirmed cases of a new COVID variant, with experts saying the mutation poses risks to people who were previously infected or vaccinated. And, it was ...

Every winter, respiratory viruses, especially influenza, SARS-CoV-2 and RSV, put huge pressure on health care systems throughout Europe. In a typical season, flu causes up to 50 million symptomatic ...