Libby Casey is the senior news anchor for The Washington Post's live coverage, including politics and breaking news.

For the first time since Health Secretary Robert F. Kennedy Jr. replaced all the members of the vaccine committee, it is meeting in Atlanta. RFK Jr.'s picks for CDC vaccine advisers meet this week ...

Robert F. Kennedy Jr. reorganizes the vaccine advisory panel, recommending the RSV antibody drug Enflonsia for infants. The committee advises the CDC on vaccine usage, facing scrutiny due to Kennedy's ...

A CDC advisory panel voted 5–1 to recommend only flu vaccines without the preservative thimerosal, a mercury-containing compound used as a preservative in vaccines and other drugs. Doctors and ...

The administration’s nominee for Surgeon General, Dr. Casey Means, co-founded the glucose-monitoring company Levels and markets a health-tracking app along with various wellness products.

Thimerosal Debate Resurfaces: Unpacking an Old Vaccine Controversy The debate over thimerosal, a vaccine preservative, has been rekindled by the Trump administration's vaccine advisers. Despite ...

There’s no solid evidence that thimerosal harms children. RFK Jr.’s handpicked vaccine advisory committee voted against using it in the one type of flu vaccine where it is still used.

By 2001, U.S. manufacturers had removed thimerosal from almost all vaccines – and from all vaccines in the childhood vaccination schedule.