The Centers for Disease Control and Prevention (CDC) recentlyreported the transmission of Mycobacterium tuberculosis froma health care worker to patients in New York City.1 Severalaspects of the episode were notable: the health care workerwas foreign-born; latent tuberculosis infection had previouslybeen diagnosed by tuberculin skin testing, but the health careworker had declined treatment; and after active disease developedin the health care worker, 1500 persons were exposed, whichnecessitated a large-scale contact investigation to determinethe extent of transmission and prevent further spread.
Today, the incidence of tuberculosis in the United States isthe lowest . . . [Full Text of this Article]
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From the Division of Infectious Diseases, Department of Medicine, Vanderbilt University School of Medicine, Nashville.
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