Health code is green, panda is red vest, when will it change back?

The health code is the green code, and the panda is the red vest. After three days and two inspections, it was changed back. According to the relevant public information, if the health code is green, the panda or red vest needs to be tested for nucleic acid twice in three days, that is, twice in three days, and the time interval between the two tests exceeds 72 hours. After the result is negative, the red vest will automatically change back to the green vest. Panda red vest refers to the panda suit on the health code, which turned red after going to high-risk areas.