The application scope of health code covers community management, resumption of business, transportation, starting school, drug purchase registration, supermarkets and shopping malls, which can help communities, enterprises and schools to do key work such as epidemic prevention management and epidemic control.
In the prevention and control of epidemic situation and resumption of production, health code can realize efficient personnel flow management, improve the inspection efficiency of office buildings, shopping malls, subways, railway stations and other crowded places, and avoid excessive personnel contact and gathering.
After excluding the dangerous period of possible contact between the confirmed cases and asymptomatic infected persons, the health code will automatically turn into a green code with the negative nucleic acid test and other related certificates during the monitoring period.
From "red code" to "yellow code": the confirmed case was cured and discharged, and there was no recurrence symptom in isolation period 14 days; The suspected and febrile patients were diagnosed, and COVID-19 cases were excluded. After 14 days of quarantine, COVID-19's symptoms did not appear, and a "yellow code" was issued.
Change "yellow code" to "green code": Close contacts have no COVID-19 symptoms after flow adjustment, and the "yellow code" is changed to "green code" after isolation 14 days.