从新鲜压的果中爆发了密码菌病的爆发
P S Millard1, K F Gensheimer, D G Addiss
1Division of Disease Control, Maine Bureau of Health, Augusta 04333.
JAMA
|November 23, 1994
概括
1993年,在缅因州的一个农业博览会上,与果有关的爆发表明,Cryptosporidium的食物传播. 这凸显了农场环境中传染病原体污染食品供应的风险.
科学领域:
- 流行病学 流行病学
- 传染性疾病 传染性疾病
- 食品安全 食品安全
背景情况:
- 杆菌是一种新兴的肠道病原体,水中传播已得到充分记录.
- 很少有人报告过Cryptosporidium的食物传播.
- 1993年在缅因州爆发的疫情涉及学校农业博览会的学生和工作人员.
研究的目的:
- 在学校农业博览会上调查密码菌病爆发的原因和传播途径.
- 为了确定与疫情相关的风险因素.
- 为了记录食物传播的Cryptosporidium的传播.
主要方法:
- 进行了环境和实验室调查.
- 进行了一项包括博览会与会者及其家庭成员在内的队列研究.
- 病例定义包括临床或实验室确认的密码菌症,其特征是腹或吐.
主要成果:
- 在611名参与者中,调查发现了160例初级病例.
- 饮用手工压的果酒显著增加了密码化症的风险 (相对风险,26).
- 在果酒,酒压和小牛便中发现了Cryptosporidium卵囊,证实了污染和食物传播;二次家庭传播为15%.
结论:
- 这次爆发代表了首次大规模记录食品传播的Cryptosporidium.
- 这些发现强调了农业生产者实施防止农场相关传染病原体污染食品的措施的迫切需要.
- 加强食品安全实践对于减轻食品生产环境中Cryptosporidium等病原体的风险至关重要.
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