A four-day polio campaign has been conducted house to house to vaccinate 5.8 million under-five children in selected high-risk areas with two drops of potent bivalent oral poliovirus vaccine (bOPV) and achieving 100% coverage. More than 111,000 of the vaccinated children were in refugee camps (Afar 4,949; Benishangul Gumz 12,576, Gambela 65,077& Somali 28,581).