How to prevent Tuberculosis? - Dr. Hirennappa B Udnur

Tuberculosis spreads by air borne infection. Usually a simple mask is required to prevent the spread of tuberculosis. Since you are visiting a crowded place or when you are in a TB ward, we use a mask and it needs proper ventilation and proper sunlight and we need a proper HEPA filter. Ideally tubercular patients who are sputum positive are sputum positive.