Published on in Vol 7, No 6 (2021): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/26303, first published
.
![Electronic Surveillance System for the Early Notification of Community-Based Epidemics (ESSENCE): Overview, Components, and Public Health Applications Electronic Surveillance System for the Early Notification of Community-Based Epidemics (ESSENCE): Overview, Components, and Public Health Applications](https://asset.jmir.pub/assets/5850114ca53f56206264ee21a6f03dc5.png 480w,https://asset.jmir.pub/assets/5850114ca53f56206264ee21a6f03dc5.png 960w,https://asset.jmir.pub/assets/5850114ca53f56206264ee21a6f03dc5.png 1920w,https://asset.jmir.pub/assets/5850114ca53f56206264ee21a6f03dc5.png 2500w)
1 Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States