Since May 2019, Confirmation of 4 new emergence of type 2 vaccine-derived poliovirus (VDPV2) in Bambari (2) and Bimbo (2) health districts without any genetic link between them and other known viruses ; Bambari Health District: CAF-RS4-BAM-19-058, onset of paralysis: May 02, 2019. 07 positive contacts with the same genetic link. Community samples CAF-RS4-BAM-19-058CC14 and CAF-RS4-BAM-19-058CC17 positive, genetically related to each other but not genetically linked to the CAF-RS4-BAM-19-058 index case (new emergence)