How long can tuberculosis infect people?

The infectivity of tuberculosis is not related to the time of tuberculosis, but to the condition of tuberculosis itself, so it is not easy to understand how long tuberculosis will infect people. To determine whether tuberculosis is infectious, sputum examination should be carried out. If sputum examination finds the presence of acid-fast bacilli, it is generally considered infectious. If sputum examination is carried out, no acid-fast staining bacilli are found, especially after repeated examination, no acid-fast staining bacilli are found. It is generally considered that there is no infectivity. If infectivity is /confirm/ied, it is generally transmitted through air droplets. On the one hand, attention should be paid to maintaining ventilation of the environment. On the other hand, attention should be paid to wearing masks for patients to prevent spitting everywhere. Attention should also be paid to selecting appropriate treatment methods according to individual conditions. Effective treatment can eliminate infectivity.