1. First of all, if the antigen test is positive, if there are no symptoms or mild symptoms, the patient should be treated in isolation at home, and the appropriate drugs should be selected according to the medication guide of the isolation treatment staff at home. When the symptoms get worse, patients should go to the fever clinic (consulting room) of medical and health institutions in time.

2. Secondly, if the antigen test of the elderly is positive, drugs should also be selected under the guidance of medical staff. When the symptoms get worse, you should go to a tertiary hospital in time.