Have a question about the COVID-19 vaccine? Let us know February 17, 2021 | 9:24 am February 17, 2021 A resident receives a COVID-19 vaccine at a county-run clinic at White Oak Recreation Center in early January. The clinics are by appointment only and do not allow walk-ins. Photo from Montgomery County This story was updated at 4:37 p.m. on Feb. 17, 2021, to correct information regarding PrepMod appointment links. It’s been two months since Montgomery County received its first shipment of COVID-19 vaccines from the state. So far, the county and other providers have given first-dose vaccines to about 107,589 residents and workers — about 10% of the county’s population of 1.05 million people.