Fig. 6From: Effects of indoor residual spraying and outdoor larval control on Anopheles coluzzii from São Tomé and Príncipe, two islands with pre-eliminated malariaNational malaria case numbers, incidence rate, and slide positivity rate (SPR) in STP from 2003 to 2016. *The year that reaches pre-elimination criteria: SPR < 5% (referred from WHO [53]), annual incidence rate ≦ 1%, and case numbers < 2000Back to article page