Numerous studies have been published that provide evidence for th

Numerous studies have been published that provide evidence for the practice of travel medicine, including investigations specifically in travelers and investigations in other populations that can be applied to travelers (eg, vaccine trials). Table 1 shows examples of recent studies on various travel medicine topics. These studies also demonstrate that a range of study designs can be utilized within travel medicine research. However, gaps exist in scientific evidence, due to the recent establishment of the specialty, the lack of a clear funding body for travel medicine research, and the

diverse topics that need to be addressed. Studying travelers offers unique challenges.19 Travelers generally have a defined and identifiable period of risk (eg, their trip) which makes some BGB324 research questions easier to address and others more difficult. In general, randomized controlled LY2606368 trials are the gold standard in research, but in relation to travelers, the main type of question that can

be answered with this approach is vaccine/chemoprophylaxis efficacy. Cohort studies are a good study design to answer questions about risks, but will generally only recruit from those who present for pre-travel advice which creates selection/recruitment bias. To understand more about illnesses that occur during travel, cross-sectional studies can be done, such as airport surveys, but these are usually questionnaire-based and can be subject to both selection and reporting biases. Also, it is often difficult for researchers situated in the patients’ home country to make accurate diagnoses when symptoms occur during travel. The timing of follow-up for research into post-travel issues can be problematic—if done too early, infections with long incubation periods Branched chain aminotransferase are missed, and if done too late, there is increased risk of loss to follow-up and also more problems with recall. In cooperation with national and

international health-care providers, academic centers, the travel industry and the media, the International Society of Travel Medicine (ISTM) advocates and facilitates education, service, and research activities in the field of travel medicine. As part of its commitment to research activities, ISTM advocates creation and distribution of this statement of research priorities. This article is intended for an audience of researchers and research funding agencies. Preliminary discussions of the need for research priorities occurred in May 2005 during the ISTM Research Committee’s meeting at the ISTM Annual Meeting (Lisbon, Portugal). A Writing Group was established, and elected the following: The intended outcome is a collection of research questions presented in priority listing within several categories (eg, pre- and post-travel).

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