SAN FRANCISCO (KGO) -- On Dec. 31, UCSF'S Dr. Charles Chiu and his colleagues were in a lab when they found what they are calling"L-452R," a California variant of COVID-19. "We actually discovered ...

NB.1.8.1, a new Omicron subvariant, is under scrutiny as a variant under monitoring (VUM) due to its increasing global presence. While it appears more transmissible, severity hasn't increased.

Q: Does the coronavirus mutate? Professor Ito Masahiro of Ritsumeikan University’s College of Life Sciences has been studying the coronavirus. He says the virus seems to easily mutate and undergo ...

A new Covid variant called XFG and nicknamed "Stratus" has become dominant in the UK, as the virus continues to mutate and change over time. Experts are closely monitoring all mutations ahead of the ...

17:27, Fri, Jun 6, 2025 Updated: 17:27, Fri, Jun 6, 2025 Scientists have warned that a new dangerous coronavirus discovered in China could spark the next pandemic. The new HKU5-CoV-2 virus is just one ...