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中国是全球22个结核病高负担国家之一,每年新增活动性肺结核病例高达100万。调查显示,中国有大约5.5亿人感染了结核菌,占总人口的约45%。在全球范围内,WHO估计有1/3的人口均是潜伏性肺结核感染者(latent tuberculosis infection,LTBI)。如果不采取有效的预防和治疗措施,其中有5%~10%的人有可能发展为活跃性肺结核。作为一种公共健康问题,LTBI适当的诊断和治疗方法对于最终去除结核病(TB)是至关重要的。
China is one of the 22 countries with a high burden of tuberculosis in the world, with an annual increase of 1 million cases of active tuberculosis. Survey shows that about 550 million people in China are infected with TB, accounting for about 45% of the total population. Globally, WHO estimates that 1/3 of the population is latent tuberculosis infection (LTBI). If you do not take effective preventive and curative measures, 5% to 10% of them may develop into active tuberculosis. As a public health issue, the appropriate diagnosis and treatment of LTBI is crucial for eventual elimination of tuberculosis (TB).