Nigeria becomes the fifth country to report a case in the Bundibugyo virus outbreak

26 October 2026

A World Health Organization Disease Outbreak News item published on 23 October 2026 says Nigeria has reported one imported case of Bundibugyo virus disease, confirmed on 20 October in the Federal Capital Territory Abuja, making it the fifth affected country since the outbreak was declared on 15 May 2026. As of 20 October, 44 contacts were being monitored in Nigeria. The Democratic Republic of the Congo had 9704 confirmed cases and 4687 deaths, a crude case fatality ratio of 48.3%, with 2595 recoveries across 66 health zones in eight provinces. Kenya had nine cases including one death, with the first imported case confirmed on 6 October. Contact follow-up in the Democratic Republic of the Congo stood at 79.7%, below the 95.0% target. WHO rates the risk as very high in the Democratic Republic of the Congo, high for countries sharing land borders with it, and low for the rest of the African region and globally. WHO advises against any restriction of travel to, or trade with, affected countries.