印度西孟加拉邦的塞罗瓦尔·韦尔特弗雷登 (Serovar Weltevreden) 爆发了沙门氏菌 (Salmonella enterica) 引起的食物传播疫情
Goutam Chowdhury1,2, Falguni Debnath3, Mainak Bardhan1
1Department of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, West Bengal, India.
Foodborne pathogens and disease
|January 8, 2024
概括
印度2022年食物传播的疫情是由Salmonella Weltevreden引起的,它是一种主要的病原体. 这凸显了加强当地医疗保健能力的必要性,以管理食源性感染和追踪疫情源.
科学领域:
- 食物传播病原体和公共卫生
- 微生物学与传染病的研究
- 流行病学和疫情爆发调查.
背景情况:
- 由Salmonella enterica serovar Weltevreden (Salmonella Weltevreden) 引起的食源性胃肠炎爆发是一个重大的全球公共卫生挑战.
- 在过去的二十年中,沙门氏菌 (Salmonella Weltevreden) 已经成为主要的食源性病原体,特别是在东南亚国家.
研究的目的:
- 描述一个社区的食物传播的胃肠炎疫情归因于沙门氏菌Weltevreden.
- 在印度西孟加拉邦的一次特定疫情中确定致病原体及其特征.
- 强调印度食品传播感染对公共卫生的影响.
主要方法:
- 在panipuri消费后从受影响的个体收集临床数据.
- 对便样本进行微生物学分析,以分离和血清型 Salmonella Weltevreden.
- 沙门氏菌Weltevreden菌株的分子表征,包括检测毒性基因和抗菌敏感性测试.
- 脉冲场凝电泳 (PFGE) 用于菌株类型和与先前报告的分离物进行比较.
主要成果:
- 共有185人食用了受污染的帕尼普里,导致129例急性水性腹和相关症状.
- 在住院患者中,沙门氏菌 (Salmonella Weltevreden) 被证实是病原体.
- 所有研究的沙门氏菌Weltevreden菌株都携带了关键的毒性基因 (invA/E,orgA,ttrc,ssaQ,mgtC,misL,spi4D,stn,hilA) 并对常见的抗菌素表现出敏感性,除了红色素.
- PFGE分析显示,疫情分离物与以前在西孟加拉州报告的沙门氏菌Weltevreden菌株有遗传上的相似性和区别.
结论:
- 这项研究证实,沙门氏菌 Weltevreden 是印度食物传播胃肠炎爆发的重要原因.
- 这些发现强调了加强当地卫生保健能力在疫情检测,调查和管理方面的关键需求.
- 有效的监测和控制措施对于减轻食源性病原体对公共卫生的影响至关重要.
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