SEARCHED TERM
Non-infectious tuberculosis
DEFINITION
Tuberculosis which is not contagious. It usually refers to extrapulmonary or pulmonary tuberculosis for which the sputum-based microbiological tests are negative.
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SOURCE DEFINITION
All cases of respiratory TB which have two consecutive negative sputum-smear and negative culture (if culture is available) results.
OTHER DEFINITIONS
Not able of transmitting tubercle bacilli. A determination of non-infectiousness can be made when a patient shows significant clinical improvement (the resolution of cough and/or fever) and has negative sputum smears on two consecutive days, is culture negative or the TB site of disease is not the lung
Evidence of a clinical response to treatment and two consecutive negative sputum-culture results (after at least 6 weeks of incubation) have been obtained
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