(CNN) — Scientists around the world are fast-tracking lab experiments to try to understand the highly mutated BA.2.86 variant of the virus that causes COVID-19. Results just beginning to emerge are ...

A Chinese scientist partially funded by U.S. grants who was working in Wuhan was one of three researchers who fell sick with a mystery illness early on in the coronavirus pandemic, a former U.S.

Two teams of US scientists have completed lab experiments testing the antibodies from vaccinated and infected Americans to see how well they might be able to fend off currently circulating variants of ...