Coronavirus Self-Checker - CDC
The purpose of the Coronavirus Self-Checker is to help you make decisions about seeking appropriate medical care. This system is not intended for the diagnosis or treatment of disease or other conditions, including COVID-19. This system is intended only for people who are currently located in the United States.
Centers for Disease Control and Prevention
Clinical Trials for COVID-19 from the U.S. National Library of Medicine
COVID-19 Information & Resources - Google
Johns Hopkins University & Medicine