Funding from NICHD (#P2CHD041025) to Penn State Population Research Institute is supporting Anne, Soujanya, and Courtney in exploring and expanding collaborations with health and demographic surveillance systems in South Africa and Kenya. This project focuses on mobility, informal social support, and health and livelihood outcomes, especially in Bushbuckridge, South Africa. This work is part of growing collaborations with the University of the Witwatersrand (South Africa) and with Washington State University and the Kenya Medical Research Institute (Kenya).