Credit: BOWIE, MARYLAND - MARCH 25: Nurses prepare to draw vaccine doses as Maryland residents receive their second dose of the Moderna coronavirus vaccine at the Cameron Grove Community Center on March 25, 2021 in Bowie, Maryland. The vaccinations were provided by Prince George's County's Mobile Units as vaccinations in Maryland are now over the 20 percent threshold. (Photo by Win McNamee/Getty Images)
Teams keep up door-to-door effort in Prince George’s Co. to boost lagging vaccination rates
