Life Cycle Of Tuberculosis

Life Cycle Of Tuberculosis

Tuberculosis kills around 3 million people each year. This is more than any other bacterial infection and that is why researchers are constantly endeavoring to find better treatment protocols.

By studying the life cycle of tuberculosis bacterium, researchers can develop a more effective treatment protocol. However, very little is known about the bacterium's life cycle.

But this may be a problem of the past because certain researchers are taking it upon themselves to study the life cycle of tuberculosis bacterium and the way it interacts with the cells of the body. We already know that mycobacterium tuberculosis requires air for its life cycle and this explains why most tuberculosis infections occur in the upper part of the lungs, where maximum aeration takes place.

When a person inhales tuberculosis bacteria, it starts dividing in 15 to 20 hours after inhalation. The bacterium is known to be dormant for years together and sometimes it can lie inactive for as long as 30 years before becoming active.

On an extremely basic level, the life cycle of tuberculosis bacterium is not too complicated and can be divided into 4 stages and these are as follows:

  • Stage one is the inactive stage when a person gets infected
  • Stage two is when the bacterium gets active and the disease manifests itself
  • Stage three refers to the spread of tuberculosis when the infected person coughs and sneezes.
  • And stage four is bacterium entering another person's body through inhalation and the cycle begins all over again.

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Life Cycle Of Tuberculosis