Pseudo-outbreak of Tuberculosis in an Acute-Care General Hospital: Epidemiology and Clinical Implications
- 1 May 1998
- journal article
- Published by Cambridge University Press (CUP) in Infection Control & Hospital Epidemiology
- Vol. 19 (5) , 345-347
- https://doi.org/10.1086/647827
Abstract
A 10-fold increase in patients with Mycobacterium tuberculosis-positive specimens in one hospital laboratory prompted an investigation. Clinical and epidemiological data, along with M tuberculosis DNA fingerprinting results, indicated that laboratory contamination led to nine false-positive M tuberculosis cultures. Pseudo-infection should be considered in patients with unusual tuberculosis presentations, negative acid-fast bacilli smears, and only one positive culture with a low colony count.Keywords
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