Causative agent of Tuberculosis
Humans are affected by the Mycobacterium tuberculosis. There is another species Mycobacterium Bovis, which affects the animals.
Mostly, all infections are airborne and due to inhalation of the droplet nuclei.

Clinical Features of Tuberculosis
The signs and symptoms of tuberculosis depends on the involved part of the body. The clinical features are categorized according to the affected parts:

Tuberculosis of the lungs

• Fever.
• Night sweats.
• Fatigue.
• Weight loss.
• Loss of appetite.
• Cough with sputum production (sometimes mixed with blood).

Tuberculosis of the spine

• Weakness in the lower limb.
• Pain in the back.
• Deformity of the spine.

Tuberculosis of the meninges

• Fever.
• Vomiting.
• Fatigue.
• Headache.
• Drowsiness.

Tuberculosis of the lymph nodes

• Fever may or may not be present.
• Glands of the neck are swollen.

Signs and symptoms
The signs and symptoms of tuberculosis depend on the organ that is involved.