Case Definition
Position Statement & Case Definition Crosswalk
Annotated Case Classification
Flowchart
How To Read (S/N/O) or more Notation
Data Collection
Data Sources Part 1
Data Sources Part 2
Variables for Collection and Analysis
Tools for Data Collection & Case Classification
Displaying NAS Data
Provider communications
Communications to Strengthen Surveillance
Building a NAS Surveillance Program
surveillance by jurisdiction
additional resources
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