Welcome to the Surveillance Knowledge Repository

Click on a topic under the Key Topic Areas section in the left column, then select a resource  from the list of resources that appear for that topic. You may also search for specific topics by entering one or more keywords in the Search bar. You can filter the search results by Content Type, Year, or Author Name.

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This syndrome was designed to capture rabies PEP visits and animal bites (excluding insect, human, snake, arachnid, and fish bites).

The query is designed using ESSENCE syntax (from the query portal)

The query is designed to be run against emergency department and urgent care... Read more

Content type: Syndrome

This syndrome was created to monitor emergency room visits related to opioid abuse in Suburban Cook County, IL. It is adapted from CDC’s Opioid Overdose v2 syndrome, and expanded to include terms for opioid withdrawal, injection site infections, and patients with underlying opiate abuse or... Read more

Content type: Syndrome

This syndrome was developed for enhanced surveillance during a 2017 U.S. President rally in Phoenix, Arizona. Terms were included based on events at previous rallies in other cities. The query was created using chief complaint field in NSSP ESSENCE.

Content type: Syndrome

This syndrome was created to capture records where the "exposure to forces of nature" diagnosis codes are sent, excluding Heat/Sunlight codes. The original syndrome captured all weather-related events that are explicitly stated and diagnosed, but the majority of these cases were sunburns and... Read more

Content type: Syndrome

This query was created as a collaboration between the ISDS Syndrome Definition Committee (SDC) members with input from the CDC, Division of Violence Prevention. The query includes keywords and discharge diagnosis codes (ICD 10, ICD 9, and SNOMED) for self-harm, suicide ideation and suicide... Read more

Content type: Syndrome

This is a cluster of syndromes created to populate an extreme weather myESSENCE tab. The intent was to increase repeatability of our weather surveillance and have something where a user can use the "Change Region" option to select whatever county, or counties, experienced storm activity. This is... Read more

Content type: Syndrome
Objective: To monitor clinical encounters for gonorrhea infection and disease Syndromic surveillance system: ESSENCE Data Sources: Emergency department visits, primary and urgent care visits  Fields used to query the data: Chief Complaint History, Discharge Diagnosis
Content type: Syndrome

This syndrome attempts to capture Opioid, Cocaine and Meth Injection Drug Use hospital visits. The syndrome was developed using NSSP ESSNECE and evaluated on Maricopa County emergency department and inpatient data. Fields used in ESSENCE include Admit Reason Combo, Cheif Complaint History and... Read more

Content type: Syndrome

Data latency limited the Alabama Department of Public Health’s (ADPH) ability torecognize and respond quickly to public health threats. Despite ADPH’s request that 95% of syndromic surveillance (SyS) data be submitted to ESSENCE* within 24 hours of a visit, some facilities were slow to process... Read more

Content type: Success Stories

This syndrome is a work-in-progress and was created to experiment with Chief Complaint text indicating a language barrier between medical professionals and patient and/or an interpreter is needed to provide medical care.

This was developed on the NSSP ESSENCE CCQV data in the Processed... Read more

Content type: Syndrome

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National Syndromic
Surveillance Program

Email:nssp@cdc.gov

The National Syndromic Surveillance Program (NSSP) is a collaboration among states and public health jurisdictions that contribute data to the BioSense Platform, public health practitioners who use local syndromic surveillance systems, Center for Disease Control and Prevention programs, other federal agencies, partner organizations, hospitals, healthcare professionals, and academic institutions.

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