Tuberculosis (TB) is a bacterial infection that most commonly affects the lungs, but can also affect the lymph nodes, bones, joints and kidneys. It can cause meningitis.While life-threatening complications such as haemorrhage from the lungs are now rare, TB can still be a very serious disease, particularly for older people.
Tuberculosis is spread through coughing, sneezing or spitting. The bacteria are carried into the air and people nearby can breathe them in through their mouths and noses.
You need to live or work closely with an infected person to catch the disease.Tuberculosis can stay inactive in someone's body for many years before it develops.This is called latent tuberculosis infection.Even though you feel well and healthy,the doctor may still advise treatment to make sure you do not develop TB disease.TB can be treated with antibiotics. It's very important to finish the treatment or the disease will get worse again.
Tuberculosis vaccinations are normally only given to: