A Centers for Disease Control and Prevention official who led the agency's network to study hospitalization trends from infectious diseases like COVID-19 has resigned in protest following Health and Human Services Secretary Robert F. Kennedy Jr.'s orders to change the agency's vaccine recommendations and the committee that makes them.

Del., has introduced a new bill to require cause to fire members from the Advisory Committee on Immunization Practices. The bill also calls to reinstate the ACIP members that were fired by HHS Secretary Robert Kennedy Jr.