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为了进一步验证痢疾菌苗对于现场人群的预防效果,我们于1979年6～10月间在兰新线终点站——西山车站地区应用从罗马尼亚引进的T_(32)型活菌苗口服肠溶丸(北京、武汉、兰州生物制品所研制)进行了预防效果观察。方法:观察现场共2万人,历年菌痢发病率在1～4％之间,菌群(型)主要为F_(2a)、F_(1b),F_(4a)、F_(1a),F_6以及包氏1～6型。该地居民生活水平、居住卫生条件基本相仿,饮用
In order to further verify the effectiveness of dysentery vaccine for the prevention of on-the-spot crowd, we administered oral enteric-coated pills of T_ (32) viable vaccine introduced from Romania to Xishan Station, Lanxi Line terminus from June to October 1979 (Beijing, Wuhan, Lanzhou biological products developed) to observe the effect of prevention. Methods: A total of 20000 people were observed at the scene. The incidence of bacillary dysentery in the past years was between 1 and 4%. The main types of flora were F 2a, F 1b, F 4a, F 1a, F 6 And the package 1 to 6 type. The local residents living standards, living conditions are basically the same, drinking