How to diagnose new crown infection

The diagnosis of COVID-19 infection depends mainly on etiological diagnosis, which can be performed by antigen or nucleic acid test. If the COVID-19 antigen or nucleic acid test is positive, it also needs to be combined with clinical manifestations, chest CT and blood test to meet the criteria for confirmed cases. once the COVID-19 infection is diagnosed, it should be isolated immediately. At the same time, the public should strengthen prevention and control, wear masks when going out, wash hands frequently, ensure adequate sleep at the same time, eat more fresh vegetables and fruits at ordinary times, so as to improve the body's resistance.