小儿不慎被利器划破皮肤,或者足底被铁钉戳伤,是常有的事情,不少医生总是“照章办事”,给他们注射精制破伤风抗毒素血清(简称“破抗”或T.A.T.)1,500单位,以免感染可怕的破伤风。这种处理原则,似乎无懈可击,其实此一时彼一时也。而今全国各地,不论城乡都推行计划免疫,每个儿童从婴儿期开始,就接受 Children are accidentally cut through the skin sharp weapon, or foot nail stabbed by the iron is a common occurrence, many doctors always “act according to the rules,” give them injection of refined tetanus antitoxin serum (referred to as “broken resistance” or TAT ) 1,500 units to avoid infecting the terrible tetanus. This treatment principle, it seems impeccable, in fact, this one at a time also. Now throughout the country, regardless of urban and rural areas are planning to immunization, each child from infancy to accept