Epidemic characteristics of foodborne disease outbreaks on campus in Shandong Province, 2014—2021

ObjectiveTo analyze the epidemiological characteristics of foodborne disease outbreaks on campus in Shandong Province as a reference basis for effective prevention and control of foodborne diseases on campus.MethodsThe surveillance data of foodborne disease outbreaks on campus in Shandong Province reported by the National Foodborne Disease Outbreak Surveillance Network from 2014 to 2021， were collected. The epidemiological characteristics， such as onset time， onset area， pathogenic factors， causative foods and initiating links， were analyzed.ResultsA total of 425 foodborne disease outbreaks on campus were reported in Shandong Province， with a total of 5 147 cases， with an average annual incidence of about 643 cases， 653 cases of hospitalization， and 0 cases of death. No pathogenic factors were identified in 83.1% （353/425） of the outbreaks， and no causative food was identified in 22.4% （95/425） of outbreaks. The number of outbreak events caused by microbial factors was the largest， accounting for 76.4% （55/72