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Objective To analyze the characteristics of foodborne disease outbreaks in schools in Zibo City from 2019 to 2023. Methods The school food-borne disease outbreaks reported in Zibo City from 2019 to 2023 were collected through the national foodborne disease outbreak surveillance network for descriptive analysis. Results From 2019 to 2023 a total of 23 school foodborne disease outbreaks were reported, with a total of 337 cases, 35 hospitalized, and no death. Summer and autumn were the most common seasons. The incidents with clear pathogenic factors accounted for 34.78% (8/23), and the incidents caused by microorganisms and their toxins accounted for 75.00% (6/8). Staphylococcus aureus and its enterotoxin were the main pathogenic factors, accounting for 33.33% (2/6) of the outbreaks of microorganisms and their toxins. The most common causes of food were mixed food and other foods, accounting for 30.43% (7/23) and 26.09% (6/23), followed by food products, meat and meat products, accounting for 17.39% (4/23) and 13.04% (3/23). The main source of food was the school canteen (73.91%, 17/23). The main triggering factors were multiple factors, followed by the misuse of poisonous plants. Conclusions Microorganisms and their toxins are the main factors causing foodborne disease outbreaks in schools. Summer and autumn are the high incidence seasons. It is necessary to strengthen the food safety risk control of school canteens and strengthen the collaboration of multi-departments to reduce the occurrence of foodborne disease outbreaks in schools.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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