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本文就1979年江西省结核病流行病学调查中发现的涂阳患者,分析他们家庭密切接触者的感染和患病情况,并着重比较已治和未治传染源的传染性大小。一、调查方法 (一)以32个流调点的121例痰菌涂片阳性病人列为“调查病例”。“调查病例”的全部家庭成员为调查对象。 (二)内容 1.感染率:采用全国统一的纯蛋白衍生物(P—PD—RT_(23))2单位/0.1毫升,或统一批号的1:2000旧结素5单位/0.1毫升,对未种卡介苗的15岁以下儿童做皮内试验。72小时观察反应,硬结直径小于5毫米者为阴性,5～20毫米为阳性,硬结直径大于或等于20毫米或有水泡、坏死、淋巴管炎为强阳性。从结素阳性反应频度和强度了解结核的感染情况。 2.患病率:对15岁以上人群、以及对结素有禁忌或结素阳性的15岁以下人群、进行胸部X线透视,
In this paper, smear-positive patients found in epidemiological survey of tuberculosis in Jiangxi Province in 1979 were analyzed for the prevalence and prevalence of close contacts in their families and the infectious size of treated and untreated sources was compared. First, the survey method (A) to 32 flow point 121 sputum smear-positive patients as a “case of investigation.” All the family members of the “investigation cases” were surveyed. (2) Contents 1. Infection rate: Adopt the national unitary pure protein derivative (P-PD-RT_ (23)) 2 units / 0.1ml, or the unified batch number of 1: 2000 old knot 5 units / 0.1ml, Non-BCG children under the age of 15 do intradermal test. 72 hours observed reaction, induration diameter of less than 5 mm were negative, 5 to 20 mm was positive, induration diameter greater than or equal to 20 mm or blisters, necrosis, lymphangitis is strongly positive. From the nodular positive reaction frequency and intensity of tuberculosis infection. 2. Prevalence: For people over the age of 15, as well as the outcome of taboos or knot-positive 15-year-old crowd, chest X-ray,