一、白喉、破伤风,百日咳疫苗(DTP): DTP是儿童期最重要的疫苗。由于百日咳死亡病例常为未满1岁特别是6个月以下的婴儿,因此多数意见认为宜在生后三个月开始接种DTP。并且认为:象日本那样在出生后3～48个月内注射三次,在48个月以后再进行集体接种是无意义的。为防止婴幼儿 Diphtheria, Tetanus, Pertussis Vaccine (DTP): DTP is the most important vaccine in childhood. Since the majority of deaths from pertussis are infants under 1 year old, especially those under 6 months, the majority opinion is that it is advisable to start DTP three months after birth. And think: Japan, as in that after 3 to 48 months after birth injections three times in 48 months after the collective vaccination again is meaningless. To prevent infants and young children