Respiratory Diseases - 5 Answers
Random Answers, Critics, Comments, Opinions :
1 :
it could be years before the bacteria becomes active. it can lay dormant in the lung (or anywhere else in the body) until a stressful event (sickness, injury...) happens and it comes alive...
2 :
TB is spread through the air from one person to another. The bacteria are put into the air when a person with active TB disease of the lungs or throat coughs or sneezes. People nearby may breathe in these bacteria and become infected. The most commonly used method to check for tuberculosis is the PPD skin test. If you have a positive PPD, it means you have been exposed to a person who has tuberculosis and you are now infected with the bacteria that causes the disease. It usually takes only a few days to tell whether you're contagious. Most people with a positive skin test aren't contagious.
3 :
Please see the webpage for more details on Tuberculosis.
4 :
Indefinite once you have TB you can be treated for it but IT NEVER GOES AWAY. If you have TB thats why you always have to get Chest X-Ray. If you never had it you can a TB skin test.
5 :
some people may be skin-test positive and never develop the disease.We cant talk about a standard incubation period.the people with skin-test positive ar a danger for other so called healthy carrier
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