A Study of Travelers' Diarrhea in Foreign Visitors to the United States
A Study of Travelers' Diarrhea in Foreign Visitors to the United States
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前往美国的外国游客的旅行者腹泻研究
DOI：
10.1093/infdis/136.4.605
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发表时间：
1977
期刊：
影响因子：
--
通讯作者：
E. Gangarosa
中科院分区：
文献类型：
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作者：
R. Ryder;J. Wells;E. Gangarosa
材料和方法在会议前三个月，我们向居住在美国大陆以外的所有注册会员和随机选择的83名居住在美国的对照组成员发送了信件，通知他们我们打算对会议与会者进行腹泻监测。要求参与者在抵达迈阿密后立即登记参加研究。他们被告知研究的目的，并被指示如果他们感染腹泻，立即通过24小时寻呼系统通知我们。我们将腹泻定义为24小时内发生两次或多次稀便，且在抵达美国（或对于居住在美国的参与者，在迈阿密）后超过24小时后发作，加上至少一种以下症状：腹部绞痛、里急后重、呕吐、恶心、发烧、
Materials and MethodsThree months before the meeting, letters were sent to all registered members of the association living outside the continental United States and to a control group of 83 randomly selected mem-bers living in the United States, informing them of our intent to conduct surveillance for diarrhea in meeting attendees. Participants were requested to register for the study immediately on arriving in Miami. They were told about the purpose of the study and instructed to notify us immediately via a 24-hr paging system if they contracted diarrhea. We defined diarrhea as two or more loose stools occurring in a 24-hr period with onset more than 24 hr after arrival in the United States (or in Miami for participants living in the United States), plus at least one of the following: abdominal cramps, tenesmus, vomiting, nausea, fever,