The Maryland Department of Health announced that more than 500,000 Marylanders have received their COVID-19 primary vaccines and booster shots from their family doctors via the Maryland Department of Health’s Maryland Primary Care Program’s (MDPCP) Vaccine Program. The MDPCP, which was launched in March 2019, is engaged with more than 500 primary care practices across the state to encourage the more than four million Marylanders they serve to be COVIDReady by staying up to date with their COVID-19 vaccines and boosters.