What causes of tuberculosis?

What causes of tuberculosis?

Tuberculosis (TB) is caused by a type of bacterium called Mycobacterium tuberculosis. It’s spread when a person with active TB disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain TB bacteria.

What does tuberculosis do to a person?

Tuberculosis (TB) is a disease caused by germs that are spread from person to person through the air. TB usually affects the lungs, but it can also affect other parts of the body, such as the brain, the kidneys, or the spine. A person with TB can die if they do not get treatment.

What happens if you test positive for TB?

A “positive” TB blood test result means you probably have TB germs in your body. Most people with a positive TB blood test have latent TB infection. To be sure, your doctor will examine you and do a chest x-ray. You may need other tests to see if you have latent TB infection or active TB disease.

What are the causes and treatment of tuberculosis?

Causes of Tuberculosis 1 Infants and old age people are at a greater risk of catching TB infections. 2 Individuals with the weak immune system due to HIV, diabetes are quickly exposed to this infectious… 3 Tuberculosis is a contagious airborne disease, which can be acquired from a closely contact… 4 Mycobacterium Tuberculosis is one of…

What is the name of the skin test for tuberculosis?

interferon gamma release assay (IGRA). The TB skin test is also called a Mantoux test or a PPD skin test because the material used in the skin test is called purified protein derivative (PPD). These tests detect the immune response our body mounts to components of Mycobacterium tuberculosis.

How is tuberculosis classified as a granulomatous disease?

Tuberculosis is classified as one of the granulomatous inflammatory diseases. Macrophages, T lymphocytes, B lymphocytes, and fibroblasts aggregate to form granulomas, with lymphocytes surrounding the infected macrophages.

Why is tuberculosis still a major killer in the world?

Drug-resistant TB. Another reason tuberculosis remains a major killer is the increase in drug-resistant strains of the bacterium. Since the first antibiotics were used to fight tuberculosis more than 60 years ago, some TB germs have developed the ability to survive, and that ability gets passed on to their descendants.