Analysis of food-borne disease surveillance results in Xindu District,Chengdu from 2021 to 2023

Abstract

Abstract: Objective To understand the incidence characteristics and epidemiological trends of foodborne diseases in Xindu District,Chengdu,and to formulate scientific basis for the prevention and control of foodborne diseases. Methods Collect information about foodborne diseases from sentinel hospitals in Xindu District from 2021 to 2023,collect feces and anal swabs for pathogenicity testing,and analyze the data. Results From 2021 to 2023,a total of 3 595 cases of foodborne diseases were reported,with 1 555 cases of males and 2 040 cases of females,and the male-to-female ratio was 0.76 ∶ 1. In the distribution of age,the group of <10 years old had the highest proportion,with 27.93%. In the distribution of occupation,migrant workers had the highest proportion,accounting for 18.13%. In terms of time distribution,1 974 cases were reported between May and September,accounting for 49.86%,which was the highest for the whole year. Among the food exposure routes,fruits and their products accounted for the highest proportion,at 24.26%. Among the processing methods,bulk food accounted for the largest proportion,at 37.58%. The family was the main place of feeding for reported cases,accounting for 79.33%. 1 557 stool or anal swab specimens were collected from patients,69 cases of Salmonella were detected,with a detection rate of 4.43%,and statistical analysis showed that there was a significant difference in Salmonella detection rate between different years（P<0.05）. 347 patients were tested for norovirus,and 48 cases were detected,with a detection rate of 13.83%. Conclusion It is necessary to combine with the prevalence characteristics of foodborne diseases in Xindu District,strengthen the publicity of foodborne diseases during the high incidence season in summer,and carry out health education in key places such as families,schools,and small and micro enterprises to curb the occurrence of foodborne diseases from the source. At the same time,it's need to strengthen the detection capability of medical institutions for pathogenic factors of foodborne diseases and improve the detection level.

Key words: Foodborne diseases, Epidemiological analysis, Surveillance

CLC Number:

R155.3

ZHAI Pei, ZHANG Pan, DU Jingchang. Analysis of food-borne disease surveillance results in Xindu District,Chengdu from 2021 to 2023. [J]OCCUPATION AND HEALTH, 2025, 41(15): 2037-2041.

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