Abstract: Objective To understand the contamination status of Vibrio cholerae in aquatic products and external environment water body in Jimei District of Xiamen City through analyzing the monitoring results of cholera prevalence in Jimei District from 2011 to 2018 for early detection of this infection and evidence to plan effective prevention and control measures. Methods Samples were collected from aquatic products,external environment water and patients with diarrhea,and detected and analyzed in accordance with the procedures and standards specified in the National Cholera Surveillance Program, Diagnostic Criteria for Cholera(WS 289-2008) and Manual for Cholera Prevention and Control(6th Edition). Results Of the totally 4 509 samples detected in Jimei District from 2011 to 2018,six were positive( 0. 13%). The positive rate was 0. 19% and 0. 14%,respectively for aquatic products and external environment water. No Vibrio cholerae was detected in stool samples of diarrhea patients. In the 6 positive samples,4 were Vibrio choler O1 serotype Inaba,and 2 were O1 serotype Ogawa. No O139 Vibrio cholerae was detected. All strains were non-toxin producing. Conclusion O1 Vibrio cholerae occurs in the aquatic products and external environment water body in Jimei District,suggesting that surveillance of this infection should be strengthened. In addition,monitoring should be weighed in frogs and their aquaculture pond water besides well surveillance over the intestinal outpatient in order to timely discover pathogenic bacteria and infectious sources for corresponding prevention and control measures.

Key words: Cholera, Disease control, Hygiene monitoring