From August 29to 31, according to arrangements of Epidemic Prevention and Control Headquarter of Yichang, requirements of normalized precise control of the health department, there were 666samples from environmental biology and practitioners (625environmental biological samples, 41practitioners samples), including 3 supermarkets, 4 markets of agricultural products, 5comprehensive hospitals, 3community’s health service centers (in towns and townships), 1station, 2public transport means, 1express site, 3sewage disposal plants, 2 public toilets, 1coldchain company’s seafood and freshwater products conducted nucleic acid test, with no positive result.

　　Since June 13, samples from supermarkets, markets of agricultural products and others in Yichang have been sampling and testing for 80 days, with more attention given on the test of environmental biological samples from cold storage, cold-chain logistics and cold-chain food.

　　Up to 31 of August, total tested environmental biology samples and the number of personnel samples have reached 21,761 and 3,780 respectively, with no positive result. Those samples include 238 related sites of refrigerated storage and cold-chain logistics, 101 department of comprehensive medical institutions, 64 community’s health service centers, 182markets of agricultural products, 298 supermarkets, 203 restaurants, 66 public transport means, 41 stations, 57 public toilets, 47sewage disposal plants, 50 express delivery sites.