Demand to get tested for COVID-19 is skyrocketing. At a testing site in Lexington, nurses say the lines haven't been this long in months. "It's nuts. We're so busy now," said Karen Humble, an RN helping operate a free drive-thru COVID testing site at the Lexington County Health Department Friday. RELATED: SC breaks 3,000 daily COVID cases for first time in nearly 6 months Throughout the afternoon, cars wrapped around the site. "Probably about a.