Mycobacterium tuberculosis.

♤ It is reported that tuberculosis kills about 1.7 million people around the world, of which three to four lakh deaths occur in India due to the presence of resistant strains like Multi- Drug Resistant TB (MDR-TB)* and Extremely Drug Resistant TB (XDR-TB)*.

♤ Now, Hinduja Hospital, Mumbai has reported the isolation of yet another resistant strain known as

Totally Drug- Resistant TB (TDR-TB)*, which is found to be resistant to twelve drugs.