NIGERIA -YELLOW FEVER OUTBREAK
Nigeria (Yellow Fever Outbreak) 9 January 2019 The current outbreak of YF in Edo State in Nigeria is unusual in scale and severity, and the number of cases in time and place is very high in the context of the current national outbreak. The seasonal timing of the outbreak, in a period where many travellers enter the state from other states and countries for the holidays in December–January, adds to the risk for potential spread. On 22 November 2018, the World Health Organization was informed of a cluster of suspected Yellow fever (YF) cases and deaths in Edo State, Nigeria. Edo State is located less than 400km from Lagos on a dense population movement axis between Lagos and South-Eastern Nigeria. Edo State is also a known endemic area for Lassa fever – which was initially suspected as causing the outbreak. From 22 September through 31 December 2018, a total of 146 suspected, 42 presumptive positive, and 32 confirmed cases, including 26 deaths (presumptive case fatality rat...