AMBIT (Alternative Models of ART Delivery—Optimizing the Benefits, a two and a half-year research and evaluation project in sub-Saharan Africa, was launched in September 2018 to address gaps in evidence in the “big picture” of DSD. This includes the proportion of clinics offering alternative models, number of clients actually participating, programme-wide outcomes, resource utilization and costs compared with traditional care, financial sustainability and other system-wide indicators. Find more information below.