United States===Advisory Committee on Immunization Practices

The United States===Advisory Committee on Immunization Practices (ACIP) has had its charter updated by the Trump administration, potentially increasing the influence of anti-vaccine activists. Its meetings were temporarily halted due to a legal defeat, and its previous recommendations for COVID-19 and hepatitis B vaccines were reversed under Robert F. Kennedy Jr.'s leadership.

The United States===Advisory Committee on Immunization Practices (ACIP) had its new members' appointments and all votes taken by them halted by the court. Its scheduled meeting was postponed, and the court emphasized the need for ACIP to adhere to its scientific, legally codified decision-making process.

The United States===Advisory Committee on Immunization Practices (ACIP) has seen its members replaced by Robert F. Kennedy Jr., with the new appointees sharing his skepticism of vaccines. The lawsuit challenges this 'unlawful replacement' and the subsequent changes to vaccine recommendations.

The United States===Advisory Committee on Immunization Practices (ACIP) had its reconstitution by Robert F. Kennedy Jr. deemed unlawful by a federal judge, leading to the appointments and all decisions made by the reformed committee being put on hold. Its scheduled meeting was postponed, impacting its advisory role on vaccine recommendations.

The United States===Advisory Committee on Immunization Practices (ACIP) had its members fired and replaced by Robert F. Kennedy Jr., and its childhood immunization schedule downsized. These actions have been halted by a federal judge's ruling.