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Surveillance of enteric pathogens in imported seafood and environmental surfaces in five seafood markets before the outbreak of COVID-19

查看全文 作　　者：Songzhe [1,2]Fu;Wei [3]Wang;Qingyao [1,2]Wang;Fenglan [3]He;Jingwei [1,2]Hao;Bo [4]Pang 高影响力作者 机构地区：[1]College of Marine Science and Environment,Dalian Ocean University,Dalian 116023,China;[2]Key Laboratory of Environment Controlled Aquaculture(KLECA),Ministry of Education,Dalian 116023,China;[3]The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control,Nanchang Center for Disease Control and Prevention,Nanchang 330038,China;[4]State Key Laboratory of Infectious Disease Prevention and Control,National Institute for Communicable Disease Control and Prevention,Chinese Center for Disease Control and Prevention,Beijing 102206,China高影响力机构 出　　处：《Biosafety and Health》索引2021年第3卷第4期,共4页高影响力期刊 基　　金：National Natural Science Foundation of China(81903372);Youth project from the Educational Commission of Liaoning Province of China(QL202005);Science and Technology Department of Jiangxi Province,China(20202BBGL73053);National Key Research and Development Program(2016YFC1200103)supported this research. 摘　　要：To monitor the presence of enteric pathogens in imported seafood,a total of 140 seafood samples imported from eight overseas countries were collected from Beijing,Dalian,Shanghai,Guangzhou,and Wuhan seafood markets from June to November 2019.Additionally,116 viral,environmental swab samples were also collected from the Wuhan and Guangzhou seafood markets.Five typical enteric bacterial pathogens(Aeromonas spp.,Shigella spp.,Salmonella spp.,Vibrio spp.,and Listeria monocytogenes)and four viruses(Rotavirus,Norovirus,Astrovirus,and Sapovirus)were detected positive.Results showed that eight Vibrio parahaemolyticus isolates appeared in seafood imported to Dalian,Wuhan,Shanghai,Guangzhou,and Beijing.In contrast,Vibrio fluvialis and Aeromonas were isolated in another two samples.Norovirus was detected in one oyster sample imported from France and environmental surface in Guangzhou.The remaining pathogens were negative in all the samples being tested.With 120 V.parahaemolyticus isolates from the above countries,the genomic analysis revealed that sequence type ST1152 isolates imported from Canada were clustered with two V.parahaemolyticus isolates from Canada.This study presented the first microbiological analysis of the Wuhan seafood market before the outbreak of COVID-19,which demonstrated that supervision should be strengthened to prevent enteric pathogens via imported seafood. 关 键 词：Vibrio parahaemolyticus NOROVIRUS Wuhan seafood market Imported seafood
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