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Tuberculosis is a disease caused by an infection with the bacteria Mycobacterium tuberculosis.

During the 19th century, up to 25 per cent of deaths in Europe were caused by this disease. The death toll began to fall as living standards improved at the start of the 20th century, and from the 1940s, effective medicines were developed.

However, there are now more people in the world with TB than there were in 1950, and 3 million individuals will die this year from this disease - mainly in less developed countries.

The disease is more common in areas of the world where poverty, malnutrition, poor general health and social disruption are present.

In the UK, too, the number of TB cases is again rising. Alcoholics, HIV-positive individuals, some recent immigrants and healthcare workers are at increased risk.

The disease is most commonly found in places such as hostels for the homeless, prisons, and centres for immigrants arriving from areas with high rates of HIV infection or inadequate health provision.

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Elsa Champlin

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1y ago
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9y ago

Tuberculosis, also abbreviated TB, is an infectious disease caused by several types of mycobacteria, specially the mycobacterium tuberculosis that most often - but not always - affect the lungs causing pulmonary tuberculosis.

TB can be transmitted from person to person through the air. If the infection spreads beyond the lungs, the symptoms will be determined by the organs affected.

Most cases are asymptomatic. TB get worse in people with compromised or weak immune system.

There are two types of TB:

- Latent TB, which means people have the bacteria but not symptoms and do not transmit the disease.

- Active TB, where the symptoms are manifested. First months they can be mild and not easy to recognize without tests. Patients can die if not treated. Cough with sputum and/or blood is typical of lung TB.

Source: esagil.org

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11y ago

Tuberculosis or TB is transmitted when an infected person, coughs, or sneezes, and is also found in their saliva.

Typically when people think of TB they think of it attacking the lungs, people with TB cough frequently, usually have blood tinged sputum.

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