Early in the beginning of the COVID-19 pandemic, scientists predicted the SARS-CoV-2 virus would mutate slowly. They were wrong. Hundreds of... What the COVID-19 pandemic tells us about how viruses ...

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.

As evidence mounts that the omicron variant is less deadly than prior COVID-19 strains, one oft-cited explanation is that viruses always evolve to become less virulent over time. The problem, experts ...

Early in the beginning of the COVID-19 pandemic, scientists predicted the coronavirus would mutate slowly. They were wrong. Hundreds of thousands of viral mutations and multiple seasonal waves later, ...

The spread of the highly pathogenic avian influenza virus H5N1 among animals is unprecedented having been found on all continents — except Oceania — with the United Nations calling it “a global ...