The Subcommittee on Health of the Committee on Energy and Commerce will hold a legislative hearing on Tuesday, June 15, 2021, at 10:30 a.m. via Cisco WebEx. The hearing is entitled, "Booster Shot: Enhancing Public Health through Vaccine Legislation." Legislation H.R. 550, the "Immunization Infrastructure Modernization Act" H.R. 951, the "Maternal Vaccinations Act" H.R. 979,