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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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The first Ebola virus case on American soil was confirmed September 30, 2014, in a 45-year-old man. He had entered the country on September 20, 2014, from Liberia. Feeling ill, he visited a Dallas, Texas, hospital 5 days later where he was released but subsequently returned September 28 gravely... Read more

Content type: Success Stories

Arizona reports an average of 116 cases of West Nile virus (WNV) each year, and in 2015, Arizona saw a reemergence of St. Louis encephalitis (SLE) virus. In addition, Arizona is at risk for importation of viruses such as chikungunya, dengue, and Zika due to an abundance of Aedes aegypti... Read more

Content type: Success Stories

The attached query was developed to track medication refill encounters in emergency departments in ESSENCE during evacuations or extended mass gathering events. The query was initially developed for use with the chief complaint, triage note, and discharge diagnosis code (ICD-10 CM). 

 ... Read more

Content type: Syndrome

This query is used to assess trends in hypothermia or cold exposure in emergency department visits in ESSENCE. The query captures cold exposure, hypothermia, and frost bite using chief complaint, triage note, and discharge diagnosis code (ICD-10CM). The query does not exclude hypothermia related... Read more

Content type: Syndrome

The homelessness syndrome was developed to identify emergency department visits in ESSENCE for patients who are experiencing homelessness or housing insecurity. The syndrome is intended for use with chief complaint, triage notes, and discharge diagnosis codes (ICD-10 CM). The definition heavily... Read more

Content type: Syndrome

Objective: Capture all traffic-related injuries presenting to the emergency room regardless of intent or vehicle type to allow monitoring of long-term trends in traffic-related injuries as well as short-term aberrations due to holiday, events, weather.

Syndromic Surveillance System:... Read more

Content type: Syndrome

This definition is based the following document created by the CSTE Heat Workgroup: Heat-related Illness Syndrome Query: A guidance Document for Implementing Heat-related Illness Syndromic Surveillance in Public Health Practice (attached). The query is built using chief complaint and discharge... 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 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

The following syndrome was developed to explore emergency department visit records involving people experiencing homelessness. Trends over time, patient demographics, geographic distribution, and primary reasons for seeking care were explored. Additionally, we have been using this definition, in... 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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