Figure 1From: Predictive spatial risk model of poliovirus to aid prioritization and hasten eradication in Nigeria AFP age distributions and implied impact of vaccination interruptions. (A), Comparison of age distribution of WPV-AFP cases and NP-AFP cases between Jan 2004 and June 2013. (B), Reduction in calculated NP-AFP immunity in period of no vaccination based on flat under-five age distribution and NP-AFP under-five age distribution in (A).Back to article page