The U.S. Centers for Disease Control and Prevention's revamped vaccine advisory panel began its closely watched two-day meeting on Wednesday, its first since Health Secretary Robert F. Kennedy Jr. dismissed all of its members and installed a new panel,

Health Secretary Robert F. Kennedy Jr.’s new vaccine advisers began their first meeting under intense scrutiny from medical experts worried about Americans’ access to lifesaving shots.

Here’s what to watch for. The panelists: Most of the seven new committee members are not vaccine experts, and a few have not publicly expressed their views on childhood immunizations. The meeting should offer clues about their opinions on the safety of various vaccines.