Exposure and close contact (defined as being within 6 feet for a period of 15 minutes or more in a 24 hour period or 5 minutes or more for healthcare associated exposure) to a COVID-19 case within 4 days before entering the study must agree not to enroll in another investigational study prior to completion of Day 14 of study Individuals who have the ability to understand and desire to sign the informed consent Age of 18 years or more

Exposure and close contact (defined as being within 6 feet for a period of 15 minutes or more in a 24 hour period or 5 minutes or more for healthcare associated exposure) to a COVID-19 case within 4 days before entering the study must agree not to enroll in another investigational study prior to completion of Day 14 of study Individuals who have the ability to understand and desire to sign the informed consent Age of 18 years or more