MMWR Morb Mortal Wkly Rep. 2011 Jul 15;60(27):918-22.
In July 2009, local, regional, state, and federal public health officials investigated a cryptosporidiosis outbreak at a youth summer camp in North Carolina. The investigation identified 46 laboratory-confirmed and probable cryptosporidiosis cases at the camp. Analyses of data from a retrospective cohort study of staff members revealed that eating ham from a sandwich bar that included camp-grown raw produce and sharing a cabin with an ill person were significantly associated with illness. Cryptosporidium isolates from stool specimens of livestock and humans at the camp were of the identical Cryptosporidium parvum subtype, IIaA17G2R1, indicating that zoonotic transmission had occurred, and suggesting a link not implicated by traditional epidemiologic methods. This investigation underscores the importance of reducing the risk for Cryptosporidium transmission in camp settings and the value of Cryptosporidium subtyping as a tool to elucidate cryptosporidiosis epidemiology.
2009 年 7 月，地方、地区、州和联邦公共卫生官员调查了北卡罗来纳州一个青年夏令营的隐孢子虫病疫情。调查在营地发现了 46 例实验室确诊和可能的隐孢子虫病病例。对工作人员回顾性队列研究数据的分析表明，食用包括营地种植的生食在内的三明治酒吧的火腿和与生病的人共用一个小屋与患病显著相关。从营地的牲畜和人类粪便标本中分离出的隐孢子虫与同种隐孢子虫微小亚型 IIaA17G2R1 相同，表明发生了动物源性传播，并提示了传统流行病学方法未涉及的联系。这项调查强调了减少营地中隐孢子虫传播风险的重要性，以及隐孢子虫亚型作为阐明隐孢子虫病流行病学的工具的价值。
