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Downloads and Resources


NNDSS Related Information


NNDSS Notification Policies

Event (disease/condition) Code Lists2

2020  |  2019  |  2018  |  2017  |  2016  |  2015  |  2014  |  2013 (revised) 3  |  2013  |  2012  |  2011

Letters to State and Territorial Epidemiologists about NNDSS Updates

2020 Update #2  |  2020 Update #1  |  2020  |  2019 Update #1  |  2019  |  2018  |  2017  |  2016 Update #3  |  2016 Update #2  |  2016 Update #1  |  2016  |  2015  |  2014 Update #1  |  2014

Notification Requirements for National Notifiable Conditions

By Notification Timeframe

2020  |  2019  |  2018  |  2017  |  2016  |  2015  |  2014  |  2013  |  2011

MMWR Weeks Calendars

2021-2022  |  2020  |  2019  |  2018  |  2017  |  2016  |  2015  |  2014  |  2013  |  2012  |  2011  |  2010  |  2009  |  2008  |  2007



Footnotes
1. National notifiable diseases which are not reportable by law or regulation in reporting jurisdictions for the specified year are considered reporting exceptions.  Please review the link to "Methodologic Change in Identifying 'N' Indicators".
2. For NNDSS event code lists beginning in year 1993, please view the MMWR: Summary of Notifiable Diseases.  NNDSS event code lists not yet published in the MMWR: Summary of Notifiable Diseases may be downloaded from above.
3. The 2013 Event Code List was revised on March 29, 2013 to include Middle East Respiratory Syndrome Coronavirus (MERS-CoV) new event code. MERS-CoV used to be called "Novel Coronavirus".


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