* Detection of sensitivity and specificity of microscopic examination and Molecular studies using polymerase chain reaction (PCR) Mycobacterium tuberculosis (MTB)/ non tuberculous mycobacterium (NTM) MDR-TB compared to culture which is the gold standard technique in the diagnosis of TB to reach the most reliable one for better health care service. * Assess the prevalence of tuberculosis cases among clinically suspected cases admitted to the hospital throughout the selected study period.
Patients with signs and symptoms of tuberculosis (suspected cases)
Patients diagnosed with tuberculosis.
Patients with pulmonary infections other than TB