在许多发展中国家,狂犬病和伤寒的流行对旅游者的健康造成了严重危害。因旅游者可能接触多种疾病,考虑到疫苗的联合使用可减少旅游者所需疫苗的注射次数和时间,因此作者在志愿者中进行了一项比较性随机研究,以评价狂犬病-伤寒疫苗联合接 In many developing countries, the prevalence of rabies and typhus has caused serious damage to the health of tourists. Given the potential exposure of travelers to multiple diseases, the authors conducted a comparative randomized study of volunteers to evaluate the combination of rabies and typhoid vaccine in view of the fact that the combination of vaccines reduces the number and timing of vaccinations required for tourists Pick up