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National Enteric Disease Surveillance : Shiga toxin-producing Escherichia coli (STEC) annual report, 2011

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    The Laboratory-based Enteric Disease Surveillance (LEDS) system collects reports of isolates from laboratory-confirmed human STEC infections from state public health laboratories. Reporting to LEDS is voluntary, and the number of states submitting reports varies somewhat from year to year, although almost all states report every year. Occasionally, more than one isolate is reported from a single episode of infection in a person; this report includes only one isolate of a given STEC serotype per person within a 30-day period. In this report, we summarize the number of infections reported, and also report incidence rates (cases per 100,000 population), which are calculated as the number of STEC infections in humans reported for a given year divided by the reporting state population for that year. For figures and maps, STEC infections reported as “undetermined” are categorized as non-O157 STEC infections. Data in this report current as of 1/22/2013. Recommended citation: Centers for Disease Control and Prevention (CDC). National Shiga toxin-producing Escherichia coli (STEC) Surveillance Annual Report, 2011. Atlanta, Georgia: US Department of Health and Human Services, CDC, 2013. CS237579-C Date from document properties.
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