SEARCHED TERM
Tuberculosis (TB)
DEFINITION
An illness in humans caused by several bacterial microorganisms (species) belonging to the M. tuberculosis complex. The most common and important agent of human disease is M. tuberculosis and can affect any part of the body, creating parenchymal (tissue) damage. It is broadly referred to in the literature as ‘Tuberculosis disease’ or ‘active tuberculosis’.
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SOURCE DEFINITION
Disease caused by Mycobacterium tuberculosis complex.
OTHER DEFINITIONS
Disease caused by the organism Mycobacterium tuberculosis. Not everyone infected with M. tuberculosis develops symptoms of TB disease, which may include cough, bloody sputum (haemoptysis), night sweats, fever and weight loss (in pulmonary TB). In this course, TB refers to TB disease rather than the infection without disease
Disease caused by infection with M. tuberculosis, the tubercle bacillus. TB can infect almost any tissue or organ but most commonly affects the lungs
Disease caused by bacteria belonging to the M. tuberculosis complex (M. tuberculosis, M. bovis, M. africanum, M. microti, M. canetii, M. caprae, M. pinnipedii), manifested by clinical, radiological or laboratory evidence with or without positive TST
Clinically active disease caused by an organism in the M. tuberculosis complex (typically M. tuberculosis, but also including M. bovis, M. africanum, and others)
Disease caused by the organism Mycobacterium tuberculosis
Clinically active, symptomatic disease caused by infection with a member of the M. tuberculosis complex
The disease state due to M. tuberculosis. In this document, it is commonly referred to as “active” TB or TB “disease” in order to distinguish it from TB infection.
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