Africa gets closer to eradication of wild poliovirus - WHO The independent Africa Regional Certification Commission (ARCC), responsible for certifying the eradication of wild poliovirus in the World Health Organization (WHO) African Region, is set to make its final decision about the region’s wild poliovirus status in August 2020. Following field verification visits over the past year and thorough critical analysis of the documentation of the polio surveillance, immunization and laboratory capacity presented by the governments of Cameroon, Central African Republic, Nigeria and South Sudan, the Commission has validated that the countries’ documentation grants them wild polio-free status. In August 2019, the African Region became eligible to be certified free of wild poliovirus, after Nigeria, the last wild poliovirus endemic country, recorded no new cases three years – the requisite period – since it last reported cases of wild poliovirus. The commission had already accepted the documentation of the other 43 countries in the region. “We are satisfied with the documentation that the four countries have presented.