Tuberculosis(TB) is caused by a bacterium known as Mycobacterium tuberculosis.
The bacteria generally attacks the lungs(pulmonary TB) of human beings. The kidney, spine, and brain are also prone to attack.
Two conditions of TB infection are:
Latent TB Infection (LTBI): It resides in your body without making you sick.
TB disease: Active TB bacteria cause Tuberculosis when the immune system fails to prevent the growth.
Spread: TB spreads from one person to another through the air. When a person coughs, sneezes, speaks, or sings, tiny droplets are released into the air, and the next person gets infected.
Symptoms: Symptoms of Tuberculosis are bad cough, pain in the chest, coughing, fatigue, weight loss, fever, etc
Diagnosis: Tuberculosis is diagnosed by a TB skin test or TB blood test.
Vaccination: Bacille Calmette -Guerin (BCG) vaccine is used for treating TB disease.
Countries with high levels of Tuberculosis are Africa, South Asia, Russia, China, and South America.
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