Tuberculosis - Everything U Need to Know (This Is an Entire Report on

7387 Words Sep 15th, 2001 30 Pages
What is Tuberculosis, and how serious is this problem?

TB, or Tuberculosis, is a chronic or acute contagious disease caused by a bacterial infection. TB is the leading cause of death from a single infectious disease, accounting for over a quarter of avoidable deaths among adults. It can affect several organs of the human body, including the brain, the kidneys and the bones, but it predominately manifests itself in the lungs where it is called "Pulmonary Tuberculosis".
According to the WHO, TB infection is currently spreading at the rate of one person per second. It kills more young people and adults than any other infectious disease and is the world's biggest killer of women. Researchers have calculated that 8-10 million people catch
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The disease is often perceived as most frequently affecting the elderly, and in industrialized countries a quarter of all cases occur in those over 65. But in the developing countries of Africa and South America, TB is most common among young adults. Women of childbearing age between the ages of 15 and 44 are more likely than men of the same age to fall sick with the disease. Women in this age group are also at greater risk from HIV infection, which makes them more susceptible to TB too.

What is TB Infection?

In most people who breathe in the bacteria and become infected, the body is able to fight the bacteria stop growing. This is the first stage, called "Early Infection", which often heals without being noticed or might be passed off as a "cold or flu". The second stage of TB, called "Dormant TB" or "Sleeping TB", occurs when germs remain in the body and may be wide spread, but seem to have no effect on the health of their host. The bacteria become inactive, but they remain alive and can become active later. This is called TB Infection. People with TB infection have no symptoms, don't feel sick, can't spread TB to others, usually have a positive skin test reaction or can develop TB later in life if they do not receive preventive therapy.

What Is Active TB?

The third stage of TB may develop when the dormant infection "wakes up" and causes sores in the lungs and other parts of the body. This third stage is

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