Trends in Emergency Department Visits for Influenza-like Illness and Antiviral Medication Transactions

The electronic surveillance system for the early notification of community-based epidemics (ESSENCE) is the web-based syndromic surveillance system utilized by the Maryland Department of Health and Mental Hygiene (DHMH). ESSENCE utilizes a secure, automated process for the transfer of data to the ESSENCE system that is consistent with federal standards for electronic disease surveillance.

May 02, 2019

Maryland ESSENCE expansion to incorporate prescription medication data

Maryland has a powerful syndromic surveillance system, ESSENCE, which is used for the early detection of disease outbreaks, suspicious patterns of illness, and public health emergencies. ESSENCE incorporates traditional and nontraditional health indicators from multiple data sources (emergency department chief complaints, over-the-counter (OTC) medication sales, and poison control center data).

June 18, 2019

Identification and tracking of heat-related illnesses using syndromic surveillance

The summer of 2010 in Maryland was characterized by unusually high temperatures. This type of increased and prolonged heat can potentially make residents sick, and extreme exposure can even kill people at highest risk. Numerous deaths throughout the state were attributed to this heat wave.

June 26, 2019

Utilities of Maryland’s syndromic surveillance system: identifying threats, case investigation and situational awareness

Maryland’s electronic surveillance system for the early notification of community-based epidemics (ESSENCE) data includes emergency department visits from all acute care hospitals, over-the-counter medication sales and poison control data that cover all jurisdictions in Maryland. Maryland Department of Health and Mental Hygiene (DHMH) uses ESSENCE daily for the early detection of public health emergencies. DHMH also utilizes ESSENCE for other purposes including situational awareness during high security events, assistance with outbreak investigation and for the H1N1 pandemic.

June 27, 2019


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