What are the investigations done for diagnosing TB and where are they available?
A. It is essential to get sputum examined on three consecutive days for TB bacteria in order to diagnose TB. In the NCT of Delhi, DOTS centers have been established at various places. The services provided at these centers are absolutely free. Sputum for examination should be given after coughing properly. It is important not to give saliva in place of sputum. If saliva is submitted for examination, the disease may not be diagnosed.
