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为确定符合本市实际情况的伤寒副伤寒血清抗体的正常凝集价,笔者于1981年～1982年底用肥达氏反应对我市1043例正常人的免疫状态进行了调查,结果如下。一.对象与方法:对象均为本市部份医院及防疫站所做肝功能阴性者,方法为常规法,血清从1:20稀释至1: 640。抗原系成都生研所生产,均在有效期内。二.结果 1.各种血清抗体之几何平均滴度及其阴性率(％)分别为“O” 3.57(62.7)、“H”4.59(56.7)、甲1.25(92.8)、乙1.99
In order to confirm the normal agglutination price of typhoid and paratyphoid serum antibody in line with the actual situation in our city, the author investigated the immune status of 1043 normal people in our city from 1981 to the end of 1982 by the Widal’s reaction. The results are as follows. One. Subjects and Methods: The subjects were all liver function-negative patients from some hospitals and epidemic prevention stations in the city. The routine method was as follows: the serum was diluted from 1:20 to 1: 640. Antigen was produced by Chengdu Institute of Health, all within the validity period. Results 1. The geometric mean titers and their negative rates (%) of various serum antibodies were “O” 3.57 (62.7), “H” 4.59 (56.7), A 1.25