When the patient that the tuberculosis that discharge bacterium treats first was not being treated , mix to its family member all round healthy crowd has stronger infectivity , it is the contagion that creates tuberculosis popularity source , but want a patient to cooperate actively to prevent effect of consumptive disease doctor , firm hold , reasonable , whole journey to change cure only , infectivity can be in 2 , 4 weeks inside disappear very quickly , its cure rate can amount to 95 above 初治排菌肺结核的病人在未治疗时，对其家属和四周健康人群具有较强的传染性，是造成结核病流行的传染源，但是只要病人积极配合防痨医生、坚持有效、合理、全程化疗，传染性可在2 ? 4周内很快消失，其治愈率可达95以上。
