Registered nurse Jayde Fox, left, injects Margarita DeSantos with the Moderna vaccine at the Southern Nevada Health District’s COVID-19 Second Dose Clinic site within the Las Vegas Convention Center during a preview on Monday, Feb. 1, 2021, in Las Vegas. Both are with the SNHD as members receive their second shots. (L.E. Baskow/Las Vegas Review-Journal) @Left_Eye_Images