Analysis of foodborne disease surveillance findings in sentinel hospitals of Lianyungang City from 2017 to 2021
Objective This study analyzed the epidemiological characteristics of foodborne diseases in Lianyun-gang city,to provide a reference for decreasing and preventing foodborne diseases.Methods Information on foodborne dis-ease cases reported by three sentinel hospitals in Lianyungang City from 2017 to 2021 was collected,and epidemiological and etiological analysis was conducted.Results A total of 2 381 cases of foodborne diseases were reported in Lianyungang City from 2017 to 2021,and 424 strains of pathogens were detected.The detection rate of 17.81％comprised primarily noro-virus(8.36％),diarrheagenic Escherichia coli(7.73％),Salmonella(0.92％),Vibrio parahaemolyticus(0.63％),and Shigella(0.17％).Foodborne disease pathogens were detected primarily between June and August,and peaked in June(32.55％).The patients were mainly infants and young children 0 to＜3 years old(41.04％).The main site of occurrence was in family set-tings(93.87％).The food exposures were primarily milk and dairy products(26.18％),vegetables and vegetable products(20.75％).From 2017 to 2021,the total detection rate of foodbome disease pathogens was highest in 2017(25.11％),and showed a decreasing trend year by year(Z=58.085,P＜0.05).Conclusions Norovirus and diarrheagenic Escherichia coli were the main foodborne disease pathogens in Lianyungang City from 2017 to 2021.The peak period of pathogen detection was in June to August.The cases occurred primarily in infants 0 to＜3 years old.The main site of occurrence was in family settings.The main food exposures were milk and dairy products,and vegetables and vegetable products.
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