Abstract
Mycobacteria were cultured from 9% of 424 paired mouthwash-induced sputum specimens. The majority of the organisms were not Mycobacterium tuberculosis. Sputum cultures contributed 59% of these isolations. M. intracellulare was the species most frequently isolated. The non-M. tuberculosis mycobacteria may constitute part of the oral flora of the general population and are not more prevalent in hospitalized patients. Approximately one-third more isolations were made from the patients furnishing two or three pairs of specimens as compared to those patients providing one pair of specimens each. From the paired specimens of 4 of 113 patients, two species of Mycobacterium were isolated. M. intracellulare was isolated from two of three samples of tap water and from the fingers of 1 of 52 patients.
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Selected References
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