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Published online by Cambridge University Press: 02 January 2015
To delineate the epidemiology of Mycobacterium avium complex (MAC) infection in acquired immunodeficiency syndrome patients, we studied 32 case patients with disseminated MAC infection who attended the same daycare facility during a period of 13 months. Pulsed-field gel electrophoresis analysis showed very low similarity between MAC strains, suggesting that, despite close contacts between the patients, nosocomial cross-transmission or exposure to a common source of MAC did not occur