宁波市2014-2022年副溶血性弧菌食源性疾病流行特征和时空聚集性分析

蒋丹捷; 杨扬; 张琰; 郭延波; 王经晖; 高华; 龚清海; 洪佳; 童峰

Abstract

蒋丹捷,杨扬,张琰,郭延波,王经晖,高华,龚清海,洪佳,童峰.宁波市2014-2022年副溶血性弧菌食源性疾病流行特征和时空聚集性分析[J].Chinese journal of Epidemiology,2024,45(9):1204-1208

宁波市2014-2022年副溶血性弧菌食源性疾病流行特征和时空聚集性分析

Epidemiological characteristics and spatiotemporal clustering analysis on foodborne infection of Vibrio parahaemolyticus in Ningbo, 2014-2022

Received:April 30, 2024

DOI：10.3760/cma.j.cn112338-20240430-00232

KeyWord: 副溶血性弧菌食源性疾病流行特征时空聚集性

English Key Word: Vibrio parahaemolyticus Foodborne disease Epidemiological characteristic Spatiotemporal clustering

FundProject:宁波市公益性研究计划（2023S149）；宁波市医疗卫生品牌学科（PPXK2024-09）

Author Name	Affiliation	E-mail
Jiang Danjie	Department of Food Safety, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
Yang Yang	Information Department, Ningbo No. 2 Hospital of Ningbo, Ningbo 315010, China
Zhang Yan	Department of Food Safety, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
Guo Yanbo	Department of Food Safety, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
Wang Jinghui	Department of Food Safety, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
Gao Hua	Department of Food Safety, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
Gong Qinghai	Department of Food Safety, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
Hong Jia	Department of Food Safety, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
Tong Feng	Department of Food Safety, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China	tongfeng1031@163.com

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Abstract:

目的探讨2014-2022年宁波市副溶血性弧菌食源性疾病流行特征和时空聚集特征，为防控工作提供参考依据。方法收集宁波市食源性疾病监测系统中2014-2022年副溶血性弧菌食源性疾病发病数据，以区（县、市）为单位计算病例数和阳性率。采用空间自相关分析和时空扫描分析方法，研究副溶血性弧菌食源性疾病的时空聚集性。结果 2014-2022年宁波市共报告副溶血性弧菌食源性疾病病例1 822例，总阳性率为3.78%。空间自相关分析显示，2014-2022年宁波市副溶血性弧菌食源性疾病阳性率分布不均衡，宁海县为高-高聚集区，镇海区为高-低聚集区，江北区为低-低聚集区。7-9月为病例高发期。时空扫描分析发现1个一级时空聚集区和3个二级时空聚集区，其中一级时空聚集区聚集时间为2019-2022年，集群中心为江北区和镇海区。结论 2014-2022年宁波市副溶血性弧菌食源性疾病存在时空聚集性，7-9月为病例高发期，重点防控区域在沿海的区（县、市）。

English Abstract:

Objective To explore the epidemiological characteristics and spatiotemporal clustering of foodborne infection of Vibrio (V.) parahaemolyticus in Ningbo, Zhejiang Province, from 2014 to 2022, and provide reference and evidence for the prevention and control of related diseases. Methods The incidence data on of foodborne infection of V. parahaemolyticus in Ningbo from 2014 to 2022 were collected from Ningbo Foodborne Disease Surveillance System, and the case counts and the positive rates in different districts (counties, cities) were calculated. Spatial autocorrelation analysis and spatiotemporal scanning analysis were conducted to analyze the spatiotemporal clustering of the diseases. Results A total of 1 822 cases of foodborne infection of V. parahaemolyticus were reported in Ningbo from 2014 to 2022, with an overall positive rate of 3.78%. Spatial autocorrelation analysis showed that the positive rate of foodborne infection of V. parahaemolyticus in Ningbo was unevenly distributed from 2014 to 2022, Ninghai was a high-high clustering area, while Zhenhai was a high-low clustering area, and Jiangbei was a low-low clustering area. The annual incidence was high during July-September. Spatiotemporal scanning analysis found one class Ⅰ spatiotemporal clustering area and three class Ⅱ spatiotemporal clustering areas, with the class Ⅰ spatiotemporal clustering area being observed in Jiangbei and Zhenhai from 2019 to 2022. Conclusions Spatiotemporal clustering of foodborne infection of V. parahaemolyticus existed in Ningbo from 2014 to 2022, with an annual high incidence period from July to September. The key areas for the prevention and control of foodborne infection of V. parahaemolyticus are coastal districts (counties, cities) in Ningbo.

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