ESSENCE Query Word Clouds

A key feature of NSSP–ESSENCE is its ability to use free-text definitions across different fields to generate custom queries. The syndromic surveillance community can use this feature to develop and refine category definitions and to identify and respond to public health events that may not be apparent in established categorical definitions (i.e., syndromes, subsyndromes, and Chief Complaint and Discharge Diagnosis [CCDD] categories).

These word clouds summarize the national view of free-text and coded values that epidemiologists and data analysts queried in ESSENCE. We created these by using the Wordcloud2 package in RStudio. The relative size of the terms suggests the frequency of use in a query. NSSP super administrators can query ESSENCE usage logs to learn what queries are run nationwide and how long they take to complete.

December 2021

Word Cloud Dec 2021

November 2021

November 2021 Word Cloud

October 2021

October wordcloud


September 2021

September wordcloud


August 2021

August Essence query word cloud

July 2021


June 2021

June word-cloud

May 2021

May 2021 Wordcloud

April 2021

2021 April Wordcloud

March 2021

2021 March Wordcloud

February 2021

2021 Febuary Wordcloud

January 2021

2021 January Wordcloud

December 2020

2020 December Wordcloud

November 2020

2020 November Wordcloud

October 2020

2020 October Wordcloud

September 2020

September 2020 word cloud

August 2020

August 2020 ESSENCE query wordcloud

July 2020

July 2020 ESSENCE query wordcloud

June 2020

June 2020 Word Cloud

May 2020

ESSENCE Queries; May 2020

April 2020

ESSENCE Queries; April 2020
Page last reviewed: January 21, 2022