NNDSS Readers' Guides

Key points

  • Learn more about CDC's Readers' Guides for National Notifiable Diseases Surveillance System (NNDSS) data tables.

Readers' guides

CDC provides Readers’ Guides to assist with understanding the weekly and annual National Notifiable Diseases Surveillance System (NNDSS) data tables. These documents provide data table descriptions, content overview, interpretation guidance, and other details.

Current Version: April 21, 2021‎

Access our latest guide for understanding weekly and annual National Notifiable Diseases Surveillance System WONDER Tables beginning 2019

Previous versions

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Content Source:
Office of Public Health Data, Surveillance, and Technology (OPHDST)