Viruses evolve quickly mainly because of how they replicate and mutate. Unlike cells, viruses must invade a host cell and ...

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 ...

How can an animal virus turn into a human disease? Between the ongoing COVID-19 pandemic and the looming concern of avian flu, the question is an urgent one, and the lab of Tyler Starr, PhD, is ...

UNIVERSITY PARK, Pa. — H5N1 highly pathogenic avian influenza (HPAI) was first detected in dairy cattle in Texas on March 25 and has since spread to several additional states. The Centers for Disease ...