Have you ever wondered why you have to get a flu shot every year, but some vaccines are one-and-done? It all has to do with how and how fast viruses evolve - and that depends on mutation rates.

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 ...

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 ...

Chinese scientists studying the 2018–2020 Ebola outbreak in Congo found a mutation, GP-V75A, that made the virus spread faster and infect cells more efficiently. The variant replaced earlier strains ...

Please provide your email address to receive an email when new articles are posted on . Since May 2023, a combination of neuraminidase mutations has been detected in influenza A(H1N1)pdm09 viruses.

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 ...