Fiona Havers, who oversaw CDC respiratory virus data, told colleagues she no longer had confidence the data would be used objectively to set vaccine policy.

Secretary of Health and Human Services Robert F. Kennedy Jr.’s decision to fire the Centers for Disease Control and Prevention's (CDC) entire vaccine board even as childhood vaccination rates drop is setting off alarm bells for the next school year.

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.