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Fig. 3 | Parasites & Vectors

Fig. 3

From: Risk of travel-related cases of Zika virus infection is predicted by transmission intensity in outbreak-affected countries

Fig. 3

The relationship of estimates of R 0 for countries in Central and South America and the Caribbean, to the prevalence of positive ZIKV test results for travellers to those countries. Crosses indicate prevalence values in travellers to an individual country and the dashed line is lowess smoothed estimates of prevalence. The identified cut-off R 0 value that dichotomised countries into high-risk and low-risk for travellers was 2.76, and there were 12 countries in each of these groups

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