Prevalence of latent tuberculosis among children living in households with smear positive pulmonary tuberculosis patients

This multicentre cross sectional analytical study was conducted in 2012 in Chittagong, Bangladesh, to evaluate the prevalence of latent tuberculosis infection (LTBI) among children living in households with smear positive pulmonary tuberculosis patient. Two groups of subjects were selected. Sixty five children of 3-12 years living with selected smear positive TB patient and children of same age living with healthy parents were included. For this purpose, sputum positive adult TB patients were selected. Mantoux test (TST) was done in 130 children. To exclude active TB disease in TST positive children, CXR P/A view was taken. Sociodemographic information were also included.

 

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