Figure 1From: Declining trends in early warning indicators for HIV drug resistance in Cameroon from 2008–2010: lessons and challenges for low-resource settings Trends of EWIs from 2008–2010. EWI1: Early Warning Indicator 1, EWI2: Early Warning Indicator 2, EWI3: Early Warning Indicator 3, EWI4: Early Warning Indicator 4, EWI5: Early Warning Indicator 5. For each EWI, the graphs represent the national performance in 2008, 2009, and 2010, respectively.Back to article page