Tuberculosis: What are the causes, symptoms in adults and in children

Tuberculosis is caused by Mycobacterium tuberculosis. The World Health Organisation (WHO) estimates that some 4.1 million people currently suffer from TB. In this video Dr Manoj Singh, Senior Chest and Critical Care Specialist, Apollo Hospitals, Ahmedabad has discussed on the the various factors that cause TB in adults and children along with the common symptoms of this disease.