The Mecha HDSS aims to study population health and demographic characteristics and establish a dynamic research platform to foster partnerships, drive collaborations, and support key mega-research projects in the North Gojjam zone of Ethiopia. In 2016, the study recruited residents of all ages from households in 10 randomly selected Kebeles in the Mecha administrative division of the North Gojjam zone in the Amhara Regional State of Ethiopia. The study defines residents as individuals who have been living in the study site for six or more months. Individuals are no longer followed up when they reside outside the study area for six or more months. Over 65,000 participants from 20,631 households completed the baseline data collection sweep. Participants are followed up with twice yearly.

Recruitment is ongoing