Optimizing viral load testing access for the last mile: Geospatial cost model for point of care instrument placement

By  Sarah Girdwood  Brooke Nichols  Crispin Moyo, Thomas Crompton, Dorman Chimhamhiwa  Sydney Rosen  |  | 

Viral load (VL) monitoring programs have been scaled up rapidly, but are now facing the challenge of providing access to the most remote facilities (the “last mile”). For the hardestto-reach facilities in Zambia, we compared the cost of placing point of care (POC) viral load
instruments at or near facilities to the cost of an expanded sample transportation network (STN) to deliver samples to centralized laboratories.

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