The current Bundibugyo virus disease (BVD) is the largest Ebola disease outbreak ever recorded in the Democratic Republic of the Congo (DRC), irrespective of Ebola virus species. On 17 May 2026, WHO declared the Bundibugyo virus disease outbreak in the DRC and Uganda a Public Health Emergency of International Concern (PHEIC). Overall risk remains very high in the Democratic Republic of the Congo, high in neighbouring countries—especially those sharing land borders with the DRC—and low at the re