Figure 1.

Trends of EWIs from 20082010. 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.

Fokam et al. BMC Public Health 2013 13:308   doi:10.1186/1471-2458-13-308
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