Research conducted in a rural district of Ghana, involving caregivers of children under-five. The study ended in 2016. Employed the use of a mobile phone-based electronic health information and surveillance system (eHISS) for monitoring disease disease symptoms of children under-five. Contained information on the sociodemographic characteristics of the study participants, symptom data (including fever, cough, diarrhoea, etc) and follow-up data (obtained from health records).