[Correspondence] Bundibugyo ebolavirus from the 2026 Ebola outbreak in Uganda and DR Congo: a new variant

Bundibugyo ebolavirus (BDBV) is one of three species members of the genus Orthoebolavirus (family Filoviridae) that cause disease in humans. The first BDBV outbreak was in the western Uganda district of Bundibugyo (2007–08) and involved 149 cases with 42 fatalities (37 confirmed and five suspected), resulting in a case-fatality rate (CFR) of 36%.1 The second BDBV outbreak was in Orientale Province, DR Congo, in 2012 and resulted in 38 laboratory-confirmed infections, with 13 laboratory-confirmed fatalities (CFR 34%), and 62 suspected infections, with 34 suspected deaths (CFR 47%).

Source: [Correspondence] Bundibugyo ebolavirus from the 2026 Ebola outbreak in Uganda and DR Congo: a new variant