Laboratory and clinico-demographic profile of patients investigated for tuberculosis in the National Referral Hospital of Bhutan.

Tuberculosis (TB), caused by the bacterium , is an important public health problem in Bhutan. Microscopy is the primary method of diagnosis of TB in developing countries including Bhutan. Performance of microscopy in the Jigme Dorji Wangchuck National Referral Hospital (JDWNRH), has never been assessed.