Figure 1From: Implementing services for Early Infant Diagnosis (EID) of HIV: a comparative descriptive analysis of national programs in four countries Infant Diagnosis Service Delivery Continuum. Note: At the time of the reviews, WHO guidance recommended that all children under 12 months testing positive by PCR be initiated onto ART. 2010 WHO guidance now recommends that all children under 24 months of age that test PCR-positive should be initiated onto treatment.Back to article page