A test that uses saliva to diagnose COVID-19 infections has been authorized by the Food and Drug Administration for emergency use. Saliva tests are less painful for patients and less risky to medical workers. Saliva Covid Test Chicago sites near you. No Insurance required. No appointment needed. Walk-ins welcome! We also have Covid testing Schaumburg sites. For more info, you can visit our website. https://mednowlabs.com/pages/chicago-covid-testing