The Global Polio Eradication Initiative (GPEI) today announced it had received notification of the detection of circulating vaccine-derived poliovirus type 2 (cVDPV2) linked with the novel oral polio vaccine type 2 (nOPV2) in the African countries of Burundi and the Democratic Republic of the Congo (DRC).
These are the first instances of cVDPV2 linked with nOPV2 since the roll-out of the vaccine began in March 2021.
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