On the evening of the 19th, sun Chunlan, member of the Political Bureau of the CPC Central Committee and vice premier of the State Council, rushed from Shaoxing, Zhejiang to Xi'an, Shaanxi to investigate and guide the epidemic prevention and control. The Xi'an epidemic was triggered by an overseas epidemic, At present, it has spread to 14 districts *** And curb the spread of the epidemic. We should scientifically arrange nucleic acid screening, find out the bottom number of epidemic situations, formulate testing plans by classification, optimize the organization and implementation process, and improve the efficiency and quality of testing. For newly infected persons screened, they should "report every positive, report every positive, check every report, manage first and then screen", Strengthen the linkage of "three public (work)" and rapid flow investigation to ensure that risk personnel are transferred and isolated in place within 8 hours. We should coordinate resources, strengthen the prevention and control of key districts, cities, key places and key populations, reduce personnel aggregation and mobility, and strengthen regional assistance in the investigation of risk personnel to prevent epidemic spillover. On the 25th, 135000 candidates will take part in the postgraduate examination in Xi'an. Chang'an University is the concentration area of the epidemic, involving many candidates. At present, the epidemic situation in the school has been properly handled. Sun Chunlan pointed out that we should continue to carry out nucleic acid screening and health monitoring, and do a good job in environmental killing, life security and psychological counseling. The postgraduate entrance examination shall be carefully organized. According to the principle of "classified disposal and subcontracting", close and secondary close candidates shall be sent to the door to ensure the safety of teachers and students and the safety of the examination. Sun Chunlan stressed that the import of external prevention is the top priority of epidemic prevention and control, and the key is to move forward and pay attention to prevention. Each port city shall re investigate, reinforce and implement the closed-loop prevention and control measures for entry, transfer, isolated hotels, designated hospitals and other links one by one, fill weaknesses and plug loopholes as soon as possible, strictly achieve spatial zoning, personnel classification and non intersection, and "people, materials and environment" together, and resolutely guard the national gate of epidemic prevention and control. All localities and departments should strengthen the organization and leadership of the prevention and control work, strengthen the basic work at the grass-roots level, implement the basic work, consolidate the prevention and control responsibilities, strictly guard against and do a solid and detailed job in the epidemic prevention and control during the "two festivals". (Xinhua News Agency)