Harmonizing population health data into OMOP common data model: a demonstration using COVID-19 sero-surveillance data from Nairobi Urban Health and Demographic Surveillance System - Ochola, Michael; Kiwuwa-Muyingo, Sylvia; Bhattacharjee, Tathagata; Amadi, David; Ng’etich, Maureen; Kadengye, Damazo; Owoko, Henry; Igumba, Boniface; Greenfield, Jay; Todd, Jim; Kiragga, Agnes (Frontiers in Digital Health, 2025)