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作者通过对２０７名教师的ＰＰＤ（结核菌纯蛋白衍化物）试验，检出结核菌易感者５７名，易感率／试验阴性率为２８％，并对成人易感者作了ＢＣＧ接种观察和理论探讨。
The author of 207 teachers of PPD (tuberculin pure protein derivative) test, detection of susceptible TB Mycobacterium 57, susceptibility / test negative rate was 28%, and adult susceptible BCG vaccination was observed And theoretical discussion.