The Trump administration on Wednesday asked a federal appeals court to reverse a ruling that had blocked Health Secretary Robert F. Kennedy Jr.’s appointment of 13 members to a key vaccine advisory panel. U.S. District Judge Brian Murphy ruled in March that Kennedy’s appointees did not possess the required vaccine-related expertise and blocked them from serving on the Advisory Committee on Immunization Practices (ACIP). Murphy also blocked the panel’s new vaccine schedule for children. In a brief filed on June 17, government lawyers argued that the ruling prevented the panel from achieving a quorum and that the government could not reconvene it without court approval....