The joint prevention and control mechanism of the State Council issued the Guiding Opinions on Scientific Prevention and Control, Precise Policy Making, and Good Prevention and Control of COVID-19 Epidemic by District and Grading, that is, in counties and cities, there are newly confirmed cases within 14 days, and the cumulative confirmed cases are not more than 50 cases, or the cumulative confirmed cases are more than 50 cases, and there is no cluster epidemic within 14 days.
Medium-risk areas, that is, areas where new confirmed cases are added within 14 days, and the cumulative confirmed cases are not more than 50, or the cumulative confirmed cases are more than 50, and there is no cluster epidemic within 14 days.