Fig 4. Estimated 2017 incidence of severe yellow fever infection per 100,000 persons across 34 African countries.

A: FOI model, B: R₀ model. For the R₀ model, provinces with no incidence are those for which the estimated vaccination coverage in 2017 was larger than the Critical Vaccination Coverage implied by R₀. Maps were produced from GADM version 2.0.