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Pésinet, devised in 2002 by Brussels-based Afrique Initiatives, is an early warning method for monitoring the health conditions of children from low-income families. Its concept is simple: mothers subscribe to Pésinet’s services for a nominal fee, and in return a local Pésinet representative weighs her children twice a week.

Results are communicated through information and communications technologies to a local doctor, who reviews the weight chart and requests that the mother and child visit if the weight readings are anomalously low and medical treatment might be required. Originally implemented in Saint Louis, Senegal, the project failed to achieve the financial sustainability needed. But the lessons learned and its innovative solutions—including strategic partnerships and technical and financial improvements—helped Pésinet successfully relaunch in Mali in 2007, benefiting hundreds of children.