Tuberculosis

Tuberculosis, usually attacks the lungs,

but can also affect, other parts, of the body,

it is spread, through the air,

when people, who have an active MTB,

infection cough, sneeze, or, transmit, their saliva,

through the air.

Most infections,in humans, result in an asymptomatic,

latent infection, and about one in ten,

latent infections, eventually progresses, to active disease.

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Symptoms

which, if left untreated, killsmore than 50% of its victims.

The symptoms, are a chronic cough, with blood-tinged,

sputum, fever, night sweats, and weight loss,

formerly, prevalent, colloquial, term

("consumption").

Infection, of other organs, causes, a wide range of symptoms.

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"Consumption"

Diagnosis, relies on radiology, (chest X-rays), a tuberculin

skin test, blood tests, as well as microscopic,

examination, and microbiological, culture, of bodily fluids.

When the disease, becomes active, 75% of the cases are pulmonary

TB in the lungs.

It also has a specific, odour, attached to it,

enabling the use of trained dogs, to vet samples, as a method

of early detection.

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Central nervous system

collectively ,extrapulmonary.

This occurs more commonly, in immunosuppressed,

people and young children.

Extrapulmonary, infection sites,

include the pleura, in TB pleurisy,

the central nervous system, in meningitis, the lymphatic,

system, in scrofula of the neck, the genitourinary system,

in urogenital,

Pott's Disease

and bones, and joints, in Pott's disease of the spine.

An especially, serious, form is disseminated TB,

more commonly known as miliary TB.

Extrapulmonary TB, may co-exist with pulmonary TB, as well.

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