Tuberculosis is transmitted by droplet infection.
The incubation period of tuberculosis is about 30 days.
Most are covered by the tuberculosis infect the lungs.
The causative agent of tuberculosis called Mycobacterium tuberculosis.
Tuberculosis is a bacterial infectious disease.
The disease is still widespread. In 2008, died about 1.5 million people have tuberculosis.

Tuberculosis incubation period: 30 days.