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我校自1979年至1984年共招生1,823人,每年新生入学时进行结核菌素试验,作结核感染率的调查。感染人数653人(阳性523人,强阳性130人),感染率为35.82%。在130例强阳性反应中均属自然感染。一般来说自然感染时细菌毒力强、机体反应性过高,所以在结核菌素试经时出现强阳性反应的机会就多,发病的机会亦多。我校六年来对130例强阳性反应者
A total of 1,823 students were enrolled in our school from 1979 to 1984, and tuberculin tests were conducted each year to study the prevalence of tuberculosis. Infection number 653 (positive 523, strong positive 130), the infection rate was 35.82%. In 130 cases of strong positive reactions are natural infection. In general, when the natural infection of bacterial virulence, the body reacts too high, so in the tuberculin test when there is a strong chance of more positive reactions, the incidence of more opportunities. 130 cases of strong positive responders in our school over the past six years