山东济南读者孙某来信说:肺结核患者查痰菌阴性,是不是说明痰中没有病菌,是不传染的?答孙某读者:我国受结核菌感染的人口近5.5亿,约占总人口的1/2,全国现有活动性肺结核患者499万人,患病率为459/10万,当前结核病疫情相当严重。如果连续咳嗽2周或痰中带血就要作为可疑肺结核病人,到当地结核病专业机构检查,其中痰菌是非常重要的一种检查。只要是活动性肺结核都会有传染性,这是绝对毋庸置疑的!只是传染性有高有低。以我们医院常用的杏痰方法为例,1毫升痰中有100万条结核菌,在高 Sun Jinan, Shandong readers letter reads: sputum negative sputum in patients with tuberculosis, sputum is not a description of bacteria, is not contagious? A Sun Reader: Mycobacterium tuberculosis in China’s population of nearly 550 million, accounting for about 1 / 2 There are 4.99 million active tuberculosis patients nationwide, with a prevalence of 459/10 million. The current outbreak of tuberculosis is quite serious. If two weeks of continuous cough or bloody sputum as suspicious TB patients, to the local TB professional institutions to check, of which sputum is a very important test. As long as active tuberculosis can be contagious, this is absolutely beyond doubt! To our hospital commonly used apricot sputum method, for example, 1 ml of sputum in the 1 million TB, in the high