A global study has found strong evidence that a new form of the coronavirus has spread from Europe to the US. The new mutation makes the virus more likely to infect people but does not seem to make ...

The Centers for Disease Control and Prevention (CDC) warns that while the risk of human to human transmission remains low, experts and officials must be aware of the risk that mutations in the virus ...

Dozens of people in the United States have caught bird flu from animals this year, but there's no evidence that the viral disease has spread from one person to another. However, a single mutation in ...

Helen Branswell covers issues broadly related to infectious diseases, including outbreaks, preparedness, research, and vaccine development. Follow her on Mastodon and Bluesky. You can reach Helen on ...

Receptor binding site of the A/Texas/37/2024 hemagglutinin Leu226 mutant (yellow) in complex with the human receptor analog LSTc (cyan). LA JOLLA, CA—Avian influenza viruses typically require several ...

Researchers are edging closer to a universal antiviral drug, a single medicine that could treat every virus known to man.