Group 1 - The newly formed Advisory Committee on Immunization Practices (ACIP) of the CDC has seen its membership reduced to seven, following the exit of a member before the first meeting [1] - The ACIP is scheduled to meet on June 25 and 26 to discuss vaccination recommendations for children under five, including the MMRV vaccine [1] - ACIP plays a crucial role in shaping U.S. vaccine policy, determining vaccination populations, and setting insurance reimbursement standards, with most of its recommendations becoming the national vaccination guidelines [1] Group 2 - Earlier this month, Robert F. Kennedy announced the dismissal of all ACIP members and appointed eight new members of his choosing, reflecting his skepticism towards vaccines [2] - The replaced 17 members were appointed by the Biden administration, with 13 of them appointed in 2024, raising concerns about public trust in health institutions [2] - Kennedy argues that a complete overhaul of ACIP is necessary to restore public confidence in vaccine science [2]