Fig. 3
From: The niche of One Health approaches in Lassa fever surveillance and control
Lassa fever outbreaks from 2017 to 2020 eported by the WHO Regional Office for Africa. Nigeria and Liberia have had ongoing LF outbreaks since 2017. Although Nigeria reported a significantly higher number of cases, Liberia presented a proportionally higher number of deaths. High case fatality ratios for Sierra Leone and Guinea might be biased due to the low number of cases reported