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Nov 7, 2023 · Overview. Tuberculosis (TB) is an infectious disease that most often affects the lungs and is caused by a type of bacteria. It spreads through the air when infected people cough, sneeze or spit.
M. tuberculosis in the lungs, showing large cavities the bacteria have dissolved. Mycobacterium tuberculosis (M. tb), also known as Koch's bacillus, is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative agent of tuberculosis. First discovered in 1882 by Robert Koch, M. tuberculosis has an unusual, waxy coating on its cell surface primarily due to the presence of ...
Mar 22, 2023 · Tuberculosis is caused by a bacterium called Mycobacterium tuberculosis. People with active TB disease in the lungs or voice box can spread the disease. They release tiny droplets that carry the bacteria through the air.
Tuberculosis (TB) is the world’s top infectious killer. Nearly 4500 people lose their lives and 30 000 people fall ill with TB each day. TB is contagious and airborne. It is caused by bacteria (Mycobacterium tuberculosis) that most often affect the lungs. TB is spread from person to person through the air. When people with lung TB cough, sneeze or spit, they propel TB germs into the air.
Jan 18, 2018 · Tuberculosis (TB) is caused by bacteria (Mycobacterium tuberculosis) that most often affect the lungs.Tuberculosis is curable and preventable. TB is spread from person to person through the air. When people with lung TB cough, sneeze or spit, they propel the TB germs into the air.
Mar 6, 2024 · Causes. Tuberculosis (TB) is caused by a bacterium (or germ) called Mycobacterium tuberculosis.When a person breathes in TB germs, the germs can settle in the lungs and begin to grow.
May 8, 2024 · Background. Tuberculosis (TB) is an airborne disease caused by the bacterium Mycobacterium tuberculosis (M. tuberculosis).M. tuberculosis and seven very closely related mycobacterial species (M. bovis, M. africanum, M. microti, M. caprae, M. pinnipedii, M. canetti, and M. mungi) comprise what is known as the M. tuberculosis complex. Most—but not all—of these species have been found to ...
Mar 22, 2024 · Tuberculosis (TB) is a contagious disease caused by infection with Mycobacterium tuberculosis (Mtb) bacteria.It is spread through the air when a person with TB disease of the lungs or throat coughs, speaks or sings, and people nearby breathe in these bacteria and become infected.
Tuberculosis (TB), also known colloquially as the "white death", or historically as consumption, is an infectious disease usually caused by Mycobacterium tuberculosis (MTB) bacteria. Tuberculosis generally affects the lungs, but it can also affect other parts of the body. Most infections show no symptoms, in which case it is known as latent tuberculosis.
What causes tuberculosis? TB is caused by the bacterium Mycobacterium tuberculosis.The germs are spread through the air and usually infect the lungs, but can also infect other parts of the body.
