6,8 The principal variable influencing the risk for acquiring inf

6,8 The principal variable influencing the risk for acquiring infectious diseases among young travelers was destination of travel. The highest overall risk was carried by young travelers staying in Central, West, and Eastern Africa, followed by South America and South/Southeast Asia. In sub-Saharan Africa (except Southern Africa) and South/Southeast Asia, the most frequent health problems among young travelers were diarrhea and febrile/systemic diseases, mainly due to an elevated risk for malaria in sub-Saharan

Africa (except Southern Africa) and for dengue fever in South/Southeast Asia, whereas for young travelers in South America, diarrhea and dermatologic disorders Dactolisib were the most frequent health problems. All these findings correspond to those of other studies.21,26–29 This study had some limitations. Like in previous studies30,31 it was difficult to make specific etiologic diagnoses for all occurred

symptoms, especially for diarrhea in which almost 40% of the cases were diagnosed with gastroenteritis, presumably caused by an viral infection.32 No specific diagnostic procedures on rotavirus, norovirus, and Escherichia LY2109761 nmr coli spp. were performed, although these pathogens are frequent causes of travelers’ diarrhea.26 However, in contrast to the other studies on large numbers of patients, which were mostly multicentric,7,21 this study provides same conditions for all patients, consistency in coding of diagnoses by clinicians, and central laboratory reference facilities. Among all variables analyzed in this study, destination of travel and age of traveler were variables highly correlated with the risk for acquiring infectious diseases, which are specific or typical for the tropics and subtropics. Very

young travelers were more likely to stay abroad for a long time, to visit friends and relatives, and to carry a higher risk for acquiring acute diarrhea and dermatologic disorders during travel, while travelers of age 10 to 19 years matched the distribution patterns found in adults. The highest overall risk was carried by young travelers staying in sub-Saharan Africa (except Southern Africa). The GeoSentinel Surveillance Network (GSN) has published data on diseases among Isotretinoin returned travelers of age <18 years.21 In that publication, data from 1,591 patients who presented for care in 41 sites in 19 countries situated in 6 different continents between January 1997 and November 2007 were summarized and analyzed. In this study, data from 890 patients of age <20 years who presented for care at one site only, at the DITM of the University Munich between January 1999 and December 2009, were analyzed. As DITM is a member site of GSN, a very small part of the present data has already been published.21 The authors thank all patients in this study for their cooperation.

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