序言旅行者腹泻(TD)是影响旅行者健康最为常见和重要的问题。对于商业或是观光施行者,旅行腹泻不管是从发生频率还是经济方面都会产生很大的影响。大约有20%—50%的旅行者会出现这一症状,如不进行治疗会导致较高的发病率。幸运的是,典型的旅行者腹泻极少会导致死亡。大约有40%的TD患者会改变旅行计划,约20%的TD患者需卧床治疗,只有1%的患者需住院治疗。如果旅程中发生一次重度腹泻,整个旅行就泡汤了。由于TD Preamble Travelers diarrhea (TD) is the most common and important issue affecting the health of travelers. Travel diarrhea can have a large impact, both in terms of frequency of occurrence and economic aspects, for commercial or tour operators. About 20% -50% of travelers experience this condition, which can lead to higher morbidity if not treated. Fortunately, typical traveler’s diarrhea rarely causes death. Approximately 40% of TD patients change their travel plans, about 20% of TD patients require bed rest, and only 1% require hospitalization. If there is a heavy diarrhea during the trip, the whole trip will have to. Due to TD