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在中国零售猪肉中发现非类型型沙门氏菌的定量风险评估

Li Bai¹, Jun Wang², Yibaina Wang¹

¹National Health Commission Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing, People's Republic of China; Department of Nutrition and Food Hygiene, School of Population Medicine and Public Health, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, People's Republic of China; World Health Organization Collaborating Center for food contamination and foodborne disease surveillance, Beijing, People's Republic of China.

Food research international (Ottawa, Ont.)

|March 12, 2026

概括

非型沙门氏菌 (NTS) 污染了中国的猪肉,导致严重的腹疾病. 提高生产标准和消费者做法可以大大降低NTS疾病风险.

科学领域:

食品安全食品安全
微生物学微生物学
公共卫生公共卫生

背景情况:

非型沙门氏菌 (NTS) 是全球导致腹疾病的主要原因,主要通过受污染的食物,特别是动物产品传播.
在中国,NTS是与猪肉消费有关的食物传播疾病的主要原因.

研究的目的:

将全国监测和行为数据整合到猪肉的定量微生物风险评估 (QMRA) 框架中.
估计中国的NTS污染率和疾病风险.
确定影响NTS传输的关键因素,并评估干预策略.

主要方法:

利用了中国最大的全国监控和行为数据集.
开发了一个QMRA框架,包括猪肉消费行为,NTS增长,减少和交叉污染.
采用Beta-Poisson模型来估计每日NTS疾病概率.
进行敏感性和场景分析以确定关键控制点和干预有效性.

主要成果:

发现猪肉中NTS污染率为34.3%,因地区和产品类型而异.
预计每百万居民每年发生2526例NTS疾病病例.
确定了从猪肉到切割板的NTS转移率和初始污染水平作为关键风险因素.

结论:

针对生产者 (提高零售标准) 和消费者 (改进做法) 的联合干预措施可以显著降低NTS疾病风险.
调查结果提供了证据,证明需要加强中国的猪肉安全管理和消费者教育.

关键词:

微生物风险评估微生物风险评估非类型型的沙门氏菌猪肉是什么意思?猪肉是什么意思风险管理风险管理

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