从流行病学角度,努力发现、及早治疗涂阳肺结核———最主要的传染源,最大限度地减少结核病的传播是控制结核病的关键性措施之一,尤其在发展中国家,更需将有限的人力、财力资源发挥最大的效益、符合费用效益原则。多年来,在经济不发达,但恰恰又是结核病高疫情国家一直强调结核 From an epidemiological point of view, we have worked hard to find out that early treatment of smear-positive pulmonary tuberculosis, the most important source of infection, minimizes the spread of tuberculosis is one of the key measures to control tuberculosis, especially in developing countries, The human, financial resources to maximize the benefits, in line with cost-effectiveness principle. Over the years, in countries with underdeveloped economy but with a high incidence of tuberculosis, TB has been emphasized