Phthisis or Tuberculosis (TB) is a potentially serious infectious disease that can affect more or less any division of the body but is mostly infect the lungs. It is caused because of a bacterial microorganism, which is known as the tubercle bacillus or Mycobacterium tuberculosis. Even though TB can be cured, and can be prevented if sufferer take certain drugs, but scientists have never come near to clean it out. Few diseases have caused so much distressing sickness for centuries and responsible for many deaths, TB is one of them. This is a chronic infection, lasting many years unless treated.
TB is easily spread from one infected person to other healthy person when the bacteria is coughed into the atmosphere by infected person and is inhaled by healthy person. TB or Phthisis is contagious, but young children almost never spread the disease. Kids are most probable get this disease from adults. Mainly kids catch the disease from a household or family member. In lots of persons, the immune system, which gives resistance to body against germs and other attackers, is capable to control the infectivity. In such cases, the infection may cause hardly any or no signs. Kids under 5 years, adolescents, aged people, and those who have weak immune systems may develop a more serious infection. Severe infections can take place in all body parts, including the brain. Tuberculosis is a common reason for death in all over the world. TB spread most likely in crowded or movable conditions.