Is Lanzhou Chengguan District a low-risk area?

Risk levels of epidemic situation in various regions of Lanzhou City Chengguan District: Yuzhong County, Yongdeng County, Anning District, Gaolan County, Honggu District and Xigu District: How to divide low-risk areas into high, medium and low-risk areas? In order to effectively control the epidemic situation without causing too much impact on residents, we strive to control the social impact of the epidemic situation to the lowest level, generally counties, streets, towns and communities. Taking this as the basic unit, the time of onset and the epidemic situation were comprehensively considered for zoning and grading. With the change of epidemic situation, the adjustment of risk level is based on analysis and judgment. The division standard of high school and low-risk area is 1. Area: Residential quarters and buildings are the basic units. 2. Time: the longest incubation period 14 days. 3. Epidemic situation: According to the number of cases and their activity tracks, comprehensively judge the risk of epidemic spread.