结核菌与其他细菌的不同之处在于,它可以感染人体除毛发、牙齿、指甲、趾甲以外的所有组织和脏器,也可以说结核是一种全身性的疾病。虽然肺结核病是一种呼吸道传染病,但并不是所有患肺结核的病人都有传染性,除痰涂片或结核菌培养阳性的肺结核患者在未治疗及痰菌阴转前具有传染性外,其他结核病人对健康人群并不具备威 Mycobacterium tuberculosis differs from other bacteria in that it can infect all tissues and organs other than hair, teeth, nails and toenails of the human body. It can also be said that tuberculosis is a systemic disease. Although tuberculosis is a respiratory disease, not all patients with tuberculosis are contagious. In addition to sputum smear or TB-positive tuberculosis patients who are untreated and infectious before sputum negative conversion, others Tuberculosis patients are not powerful for healthy people