The Ethiopian Public Health Institute with support from World Health Organization (WHO) conducted a national training of trainers on the electronic surveillance (eSURV) Companion App from November 18-22, 2024 in Adama, Oromia region, enhancing the capacity of 40 Health Workers (HWs) for the deployment of the Companion App. As part of strengthening the surveillance system, eSurveillance helps to facilitate public health surveillance functions of prevention, prediction, detection and response for any acute public health event.