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

At the first meeting of a controversial new group of vaccine advisers to the US Centers for Disease Control and Prevention, the committee announced new plans to study established vaccine guidelines.

A crucial government panel of vaccine advisors will hold its first meeting since Health and Human Services Secretary Robert F. Kennedy Jr. appointed several vaccine critics to the group.  Kennedy removed and replaced members of the Advisory Committee on Immunization Practices,