5/7/2021, 6 a.m. The Maryland Department of Health (MDH) today launched a free mobile COVID-19 testing program to enhance testing engagement and access in underserved communities statewide. Courtesy Photo Baltimoreâ The Maryland Department of Health (MDH) today launched a free mobile COVID-19 testing program to enhance testing engagement and access in underserved communities statewide. The program comprises two mobile testing teams that will visit each of Marylandâs 24 jurisdictions over the next 12 weeks. âAs we continue to vaccinate more Marylanders, we are also racing against the spread of more contagious COVID variants,â said MDH Secretary Dennis R. Schrader. âTesting, along with contact tracing, are parallel efforts that remain critical to our ability to identify and respond to COVID-19 outbreaks and will enable us to end the pandemic.â