到海外旅行的儿童要准备的事情比较多,而不仅仅是按照对成人所建议的预防接种和普通药物剂量的“缩小”。旅行可能要求儿童接种比常规的儿童免疫的最佳年龄早、集中,然后再加强免疫。许多与旅行有关的疫苗保护率低,对旅行者腹泻(包括儿童)病例中的一些研究显示:高事故率、严重疾病和腹泻时间长等,常发生在3岁以下旅行儿童。婴儿尿 Children traveling overseas are more likely to be prepared than just “vaccination” and “generalization” of the doses recommended for adults. Traveling may require children to be immunized as early as possible, concentrate, and then boost their immunizations. Many travel-related vaccines have low rates of protection, and some studies of travelers with diarrhea (including children) have shown that high rates of accidents, serious illnesses and long periods of diarrhea often occur among children traveling under 3 years of age. Baby urine