Acute muscle wasting among critically ill patients.

between 3 and 5 administrative requirements. Themost common administrative requirement was to use a specific health department form (17 of 36 bills), followed by the requirement for the parent or guardian to receive education about vaccine risks and benefits (14 bills). Of 20 states with a current PBE, 5 (25%) saw a bill introduced to restrict exemptions and 1 (5%) saw a bill introduced to expand exemptions. Among the 30 states without a PBE, none sawabill introduced to restrict exemptions and 13 (43%) sawabill introduced to expand exemptions. Of the 36 bills introduced, 5 (14%) were categorized as restricting exemptions and 31 (86%) as expanding exemptions. Thirty of the 31 bills to expand exemptions proposed introducing a PBE and 1 proposed removing the requirement for notarization froman existing PBE.Noneof the bills categorized as expanding exemptionswerepassed.Threeof the5bills categorizedas restricting exemptions were passed (Washington, California, and Vermont).