Epidemiological characteristics of active etiological surveillance of foodborne diseases in Anyang in 2016 - 2021 / 公共卫生与预防医学

ABSTRACT

Objective To analyze the epidemiological characteristics and prevalent pathogens of foodborn diseases in Anyang city, results of active surveillance of foodborne diseases in Anyang City in 2016-2021,and to provide references for prevention and control of foodborne diseasess. Methods Information on surveillancecases of foodborne diseases reported by sentinel hospitals in Anyang City from 2016 to 2021 was collected, and the collected stool specimens were tested for pathogens.Data was analyzed using descriptive epidemiological methods. Results A total of 1 535 foodborne cases were collected in Anyang City.The reported cases were mainly concentrated in June to August (53.03%, 814/1535), among which the 25-44 years old group (25.41%, 390/1 535) and 45-65 years old group (24.43%, 375/1 535) were the main cases; the proportion of home-made in the processing or packaging method was the highest, and the home was the main exposed places (46.45%, 713/1 535) . Gastrointestinal symptoms were the main clinical symptoms (94.07%, 1 444/1 535) , The  overall detection rate of pathogen in Anyang City was 6.97% , and The detection rates of pathogenic microorganisms were statistically significant in different years. The main serotype of diarrheagenic Escherichia coli was EAEC(73.81%), and the main type of Salmonella was Salmonella enteritidis (54.55%). Conclusion The incidence of food-borne diseases in Anyang City is high in summer and autumn from 2016 to 2021. The age groups of 25-44 years old and 45-65 years old are the main incidence groups. The exposed places are mainly family, and the pathogens cause Escherichia coli, Salmonella. It is necessary to further improve the active surveillance system of foodborne diseases in Anyang City, increase the monitoring of key high-risk groups, and strengthen food safety education for home-made food, especially in summer and autumn.