Revive now offers in-home testing sent directly to you. This test is a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 or COVID-19) blood test based on advanced Silicon Valley technology and finger stick blood collection. Deposit a few drops of patient blood on our blood card collection device, express mail your cards to our laboratory, and receive definitive test results for the presence of immunoglobulin G (IgG) antibodies reactive to SARS-CoV-2 proteins within 48 hours.