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Figure 1 | International Journal of Health Geographics

Figure 1

From: Risk maps for range expansion of the Lyme disease vector, Ixodes scapularis, in Canada now and with climate change

Figure 1

ROC analysis of risk algorithms. ROC graph of the relationship between sensitivity and 1-specificity for detection of known or suspected I. scapularis populations in Canada using Algorithm 6 (graph a: risk index = number of ticks at model equilibrium × number of tick populations within 425 km) and Algorithm 12 (graph b: risk index = number of ticks at model equilibrium × number of tick populations within 425 km × percentage forest cover).

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