本文調查的目的是要了解在交通不便又无冰箱設备的地区,菌苗的运輸与保存对效果的影响。 調查对象及方法 1.对象:在某小城鎮中抽选的1,270名15岁以下的儿童,大部分为小学学生。 2。方法:先用5个单位的旧拮素稀释液行皮内注射,72小时观察反应,硬拮道径在5毫米以下者,以每毫升含菌量0.75毫克的卡介苗(上海 The purpose of this investigation is to understand the effect of the transport and storage of vaccine on the effect in areas where traffic is inconvenient and no refrigerator is available. Subjects and Methods 1. Subjects: A total of 1,270 children under the age of 15 selected in a small town are mostly primary school students. 2. Methods: The first five units of the old antagonist diluent was injected intradermally, 72 hours observed the reaction, the hard antagonistic pathways in 5 mm below the per milliliter of bacteria containing 0.75 mg of BCG (Shanghai