The CDC is expected to end its 5-day isolation recommendations for people with COVID-19. Experts say the change makes sense due to vaccinations and treatments for the disease.

Kennedy selected a new team of medical professionals and scientists who are looking at vaccines are highly qualified.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.