Drive-Thru COVID-19 Testing Sites Are Coming To Bristol And Washington County In Virginia. Testing Is Only Open To Those Who Are Pre-Screened By Phone. The Bristol City Health Department Will Be Hosting A Testing Site This Wednesday From 10 am Until 1 pm. And The Washington County Virginia Health Department Will Hose A Site On Wednesday, May 6th From 10 am Until 1 pm. To Be Screened You Can Contact Either Health Department By Phone.