What causes tuberculosis diseases?
Tuberculosis (TB) is caused by a bacterium called Mycobacterium tuberculosis. The bacteria usually attack the lungs, but TB bacteria can attack any part of the body such as the kidney, spine, and brain. Not everyone infected with TB bacteria becomes sick.
What causes tuberculosis Why is TB such a public health problem?
What are the causes of tuberculosis in India?
The main cause of TB is Mycobacterium tuberculosis, a small, aerobics, non motile bacillus. TB spread when a person with an active TB infection in their lungs coughs or sneezes and someone else inhales the expelled droplets containing TB bacteria.
What are the risk factors and causes of TB?
The risk factors for acquiring TB include close-contact situations, alcohol and IV drug abuse, and certain diseases (for example, diabetes, cancer, and HIV) and occupations (for example, health-care workers).
How can tuberculosis be prevented?
The risk of infection can be reduced by using a few simple precautions: good ventilation: as TB can remain suspended in the air for several hours with no ventilation. natural light: UV light kills off TB bacteria. good hygiene: covering the mouth and nose when coughing or sneezing reduces the spread of TB bacteria.
How is tuberculosis caused Class 9?
Causes of Tuberculosis Tuberculosis is a contagious airborne disease, which can be acquired from close contact with an infected person. Mycobacterium Tuberculosis is one of the leading causes of this dreadful infectious disease.
Who is prone to tuberculosis?
Persons who have been Recently Infected with TB Bacteria Persons who have immigrated from areas of the world with high rates of TB. Children less than 5 years of age who have a positive TB test. Groups with high rates of TB transmission, such as homeless persons, injection drug users, and persons with HIV infection.
Who is likely to get TB?
Tuberculosis mostly affects adults in their most productive years. However, all age groups are at risk. Over 95% of cases and deaths are in developing countries. People who are infected with HIV are 18 times more likely to develop active TB (see TB and HIV section below).
