Robert F. Kennedy Jr., secretary of health and human services, appointed eight new members of an expert panel that advises the federal government on immunization policy, including several vocal vaccine critics and one who identifies as an “anti-vaxxer.

U.S. Health Secretary Robert F. Kennedy Jr. on Wednesday named eight new vaccine policy advisers to replace the panel that he abruptly dismissed earlier this week.

The panel makes vaccine recommendations to the Centers for Disease Control and Prevention, including when and how often children and adults should get them.