[Optimizing resources to reduce costs to determine HIV viral load in limited resources settings].

Introduction: HIV viral load testing is a key factor to evaluate the accomplishment of the UNAIDS target of 90% of viral suppression among people receiving antiretroviral therapy. Pooled samples are a potentially accurate and economic approach in resource-constrained settings, but efficiency can be negatively affected by high prevalence rates of virological failure.

Objective: Strategies were assessed to increase the relative efficiency of pooled HIV viral load testing in resource-constrained settings.