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Fig. 2 | BMC Medicine

Fig. 2

From: The public health impact of malaria vaccine RTS,S in malaria endemic Africa: country-specific predictions using 18 month follow-up Phase III data and simulation models

Fig. 2

Posterior distributions of half-life of decay of efficacy against infection. Posterior distributions of half-life of decay of efficacy against infection for models fitted with the adjusted transmission assumptions (ii), assuming exponential decay. Panels a and c show fits when site-specific variation in incidence is fitted. Panels b and d show fits when common variation in incidence across all sites is fitted. The green histograms indicate when 5–17 month cohort is fitted alone, the blue the EPI cohort and the rose when both cohorts fit

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