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本文通过对１４３９名新兵进行双臂结素试验，结核感染率为５１．５％，农村略高于城市。种卡后复查结素阳转率，卡介菌素纯蛋白衍生物（ＢＣＧ－ＰＰＤ）比人型结核菌素纯蛋白衍生物（ＰＰＤ－Ｃ）灵敏。
In this paper, 1439 recruits were tested by the double-arm knot test. The infection rate of TB was 51.5%, slightly higher than that in the rural areas. BCG-PPD is more sensitive than PPD-C in human-type tuberculin pure protein derivatives after seed card review.