Which region declared wild polio free in august 2020?(Assistant CPD PPSC 2022)WORLD AFFAIRS / By admin / June 11, 2022 June 11, 2022 AAfrica Bnorth Africa CNigeria DNone of These Answer Detail On Aug 25, 2020, the Africa Regional Commission for the Certification of Poliomyelitis Eradication declared that the WHO African region had interrupted transmission of all indigenous wild polioviruses.