A key vaccine-focused committee of the Centers for Disease Control and Prevention met Wednesday despite bipartisan protestations and controversy that surrounds the group's membership.

A leader of the CDC's reconstituted vaccine advisory committee said the panel would start a review of long-approved shots.

The US Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices, or ACIP, will gather this week for its second regular meeting of the year, but this won’t be a typical meeting.