National Outbreak Reporting System (NORS) guidance : version 3.0, updated 1/23/2023
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National Outbreak Reporting System (NORS) guidance : version 3.0, updated 1/23/2023

Filetype[PDF-1.37 MB]

  • English

  • Details:

    • Description:
      This guidance document gives detailed descriptions about each field in NORS, including definitions and examples. It is not intended to be a technical or training guide on how to navigate reporting through the NORS web-based interface; for this, see the NORS training guides at

      This guidance document follows the flow of the PDF reporting form and the web-based user interface; therefore, it is recommended to view the guidance document in conjunction with the reporting form or the interface. However, it is important to note that the guidance document is tailored to the webbased user interface; slight differences may arise between this document and the PDF reporting form. The headers of each section in this document reflect the name of the reporting form and interface sections.

      Unless otherwise specified, all sections refer only to primary cases. Picklist values are provided in the interface for each picklist field. These values and some definitions are also listed and defined in Appendix E.

      This guidance document accompanies the revised CDC 52.14 form and replaces the guidance for the previous NORS CDC 52.12 and 52.13 forms.


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