Outbreaks of circulating vaccine-derived poliovirus type 2 (cVDPV2) have been reported in several countries in West Africa, central Africa and Horn of Africa (for more information, please see the disease outbreak news published on 31 July 2019). This report provides a situational update on current cVDPV2 outbreaks in newly affected countries in Africa. No wild poliovirus has been detected on the continent since September 2016.
In West Africa and the Lake Chad sub-region, a cVDPV2 outbreak originating from Jigawa state, Nigeria, continues to spread. Following detection of this outbreak in Cameroon, Ghana, Benin and the Republic of Niger earlier this year and in 2018, the virus has now been detected in Chad, Togo and Côte d’Ivoire.WHO Outbreaks News

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