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The Foodborne Outbreak Online Database has been designed to allow the public direct access to information on foodborne outbreaks reported to the Centers for Disease Control and Prevention (CDC). Most outbreaks are reported to the National Outbreak Reporting System (NORS) by the state, local, territorial, or tribal health department that conducted the outbreak investigation. Outbreak reporting is voluntary. Multi-state outbreaks are generally reported to NORS by CDC.
Year State Location Etiology Etiology Status
Multiple values within each search criterion can be selected by holding down either the "Shift" or "Control" (aka "Ctrl") key on the keyboard and clicking on the desired values. Mac users can select multiple values by holding down the "Shift" or apple key and clicking on the desired values.
  

*Data available via the Foodborne Outbreak Online Database originate from a dynamic outbreak surveillance database. Reporting agencies (state, local, territorial, and tribal health departments, and CDC) can modify their NORS reports at any time, even months or years after an outbreak. Therefore, results from Foodborne Outbreak Database Search Tool are subject to change. The searchable Foodborne Outbreak Online Database database was last updated on 9/17/2009; this date is recorded in the "LastTransferDate" field in the downloaded file.
**The Foodborne Outbreak Online Database includes both single-state and multi-state outbreaks. Single-state outbreaks are listed by state name in the "State" column of the results. Multi-state outbreaks are listed as "Multistate outbreak reported by CDC" in the "State" column of the results. A multi-state outbreak is defined as one in which exposures occurred in more than one state; an outbreak affecting residents of more than one state due to exposures in a single state is considered to be a single-state outbreak. A search for outbreaks for a specific state will return all single-state outbreaks reported by that state and all multi-state outbreaks involving that state. CDC NORS staff are currently validating and correcting past multi-state outbreak reports. Therefore, the state assignment of outbreaks is subject to change.
***Downloaded files from Foodborne Outbreak Online Database are provided in XML format to allow use with multiple software programs. XML files can be viewed directly in Access1 or Excel2, and can be read by analytical software such as SAS3, SPSS4, and STATA5. Consult the software provider's customer support materials for directions on importing XML files into these or other software programs.
1- http://office.microsoft.com/en-us/access/HA010345601033.aspx
2- http://office.microsoft.com/en-us/excel/HA011019641033.aspx
3- http://support.sas.com/documentation/cdl/en/engxml/61740/HTML/default/a002592586.htm
4- http://support.spss.com/
5- http://www.stata.com/support/faqs/data/newexcel.html#xmluse
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