onset date A careful incubation period is 3 days before symptoms appear. Patients will begin to spread the infection even without symptoms. When the ATK test is found, the infection is found. The accurate ATK test period is that it should be done immediately following symptoms, no more than 7 days.
Memo when I knowhigh risk exposure Even if there are no symptoms, you shouldobserve yourself avoid meeting people especially those at risk of becoming seriously ill for 14 days in order to pass the incubation period that may transmit the disease.
