Lyn Redwood, who spread debunked claims about vaccines, will be in the CDC's Immunization Safety Office, multiple CDC officials tell CBS News.

The preservative thimerosal has been removed from all but a few vaccines, and studies have confirmed no link to neurodevelopmental issues including autism. So public health experts were puzzled when it appeared on the agenda for this week’s meeting of outside vaccine advisers to the US Centers for Disease Control and Prevention.

The Advisory Committee on Immunization Practices (ACIP), made up of members recently hand-selected by Health and Human Services Secretary Robert F. Kennedy Jr., voted 5-1 on Thursday to recommend against flu vaccines containing the preservative thimerosal.