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To understand the burden of foodborne diseases caused by Vibrio parahaemolyticus in Liaoning Province and to clarify the risk associated with different types of food, thereby assisting in foodborne disease prevention efforts.
Using surveillance data of foodborne disease cases from 2014 to 2023 in Liaoning Province, the population level of foodborne diseases burden caused by Vibrio parahaemolyticus was estimated using the disease burden pyramid model. The main food types contributing to Vibrio parahaemolyticus infections were also classified by attributable risk.
Based on active surveillance data from sentinel hospitals, the multiple factor for Vibrio parahaemolyticus infections was found to be 86.50,indicating that for every reported case, approximately 87 cases occurred within the coverage area of the sentinel monitoring hospitals. Utilizing provincial case data, the multiple factor was 428.37 (95% CI: 424.05-432.62), suggesting that for each reported case, around 428 cases occurred across the province. It was estimated that from 2014 to 2023, there were a total of 440 448 (95% CI: 421 202-460 607) cases of Vibrio parahaemolyticus infections in Liaoning Province, with an annual incidence rate of approximately 103.41 per 100 000 people (95% CI: 98.85-108.11). Risk classification for various food items indicated that seafood posed the highest risk, accounting for 50.20% of infections, with shellfish being the highest-risk food type, followed by shrimp and watermelon.
Based on the multiple factor; it can be concluded that the burden of Vibrio parahaemolyticus infections in Liaoning Province is slightly higher than in other coastal regions. Seafood, particularly shellfish, is the primary cause of foodborne diseases associated with Vibrio parahaemolyticus in Liaoning Province. Continued enhancement of prevention and education efforts targeting key populations and regions is necessary to guide residents in the proper consumption of seafood, as well as to improve disease burden assessment work.
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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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