儿童结核病华中科技大学同济医学院附属同济医院儿科学系国务院新闻发布会 2004-6-29 我国现有肺结核病人约450万,其中传染性肺结核病人约150万。每年约有145万新发病例,每年因结核病死亡人数达13万,结核病人数居全球第二位,75%的肺结核病人年龄在1554岁之间;80%的肺结核病人在农村。有45%的病人因经济困难间断或中断治疗。Tuberculosis,once a romantic 19th-century disease,has returned,reaching epidemic proportions worldwide.One only need remember New York Citys 1991 epidemic.Over one-third of the worlds population has latent tuberculosis;15 million Americans are infected with this highly contagious,airborne respiratory disease.TB chooses hosts indi