Tuberculosis is a chronic infection caused by the bacterium Mycobacterium tuberculosis that primarily affects the lungs. It spreads through the air when people who are sick with TB in their lungs cough, sneeze or spit. Common symptoms include coughing, weight loss, fever and night sweats. Treatment requires taking multiple antibiotics daily for 6-12 months to prevent the development of drug resistance.

8. Ghon Complex

10. Epitheloid cells in Granuloma

19. Miliary Tuberculosis:

20. Miliary Tuberculosis:

30. Treatment:

32. Prevention:

34. TB prevention and control takes two parallel approaches. In the first, people with TB and their contacts are identified and then treated. In the second approach, children are vaccinated to protect them from TB