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From 1996 to 2003, 16 outbreaks of enterotoxigenic Escherichia coli (ETEC) infections in the United States and on cruise ships were confirmed. E. coli serotype O169:H41 was identified in 10 outbreaks and was the only serotype in 6. This serotype was identified in 1 of 21 confirmed ETEC outbreaks before 1996.
BACKGROUND In June 1996, an outbreak of chronic diarrhea was reported to the Texas Department of Health (Austin). METHODS We initiated active case finding, performed 2 case-control studies, and conducted an extensive laboratory and environmental investigation. RESULTS We identified 114 persons with diarrhea that lasted > or = 4 weeks. Symptoms among 102… (More)