6/6/2021 Maryland Estimated Immunity Chart: 5/16/2021 – MD Counties effective population vaccinated to properly account for % different from average. 5/4/2021 – MD Counties effective population vaccinated to properly account for % different from average. 4/28/2021 – MD Counties effective population vaccinated to properly account for % different from average. … Continue reading MD Vaccine / Immunity Tracking GraphicsContinue Reading