Babirye is a project officer with St. Francis Health Care Services, which provides health care and related services to vulnerable populations in Eastern and Central Uganda. Paul Mwanje is the director of programs at St. Francis Health Care Services, a charity that focuses on vulnerable populations. Such private health centers have long bolstered Uganda’s health care system as unofficial partners. UCMB, the nation’s largest faith-based not-for-profit health care network, coordinates a wide range of health facilities, including 33 hospitals. Health workers use an Android phone, outfitted with a pulse oximeter, to detect blood oxygen saturation, and an app to document varied symptoms, such as malnutrition and respiratory rate.