Historical outbreak briefing · Updated June 9, 2026
Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo & Uganda
534 confirmed 1 probable 93 deaths Source: WHO
The Bundibugyo virus disease (BVD) outbreak, caused by the Ebola disease, was first reported on June 8, 2026, in the Democratic Republic of the Congo and Uganda. According to the World Health Organization (WHO), the outbreak continues to evolve rapidly, with increasing case numbers, geographic spread, and cross-border transmission to Uganda.
As of the latest report, there are a total of 535 cases, including 534 confirmed cases and 1 probable/suspected case. The WHO reports 93 deaths among the confirmed cases, resulting in a case fatality ratio of 17.4%. The majority of cases have been reported in the Democratic Republic of the Congo, with Uganda also affected.
The outbreak has spread to two countries: the Democratic Republic of the Congo and Uganda. The geographic spread of the outbreak is ongoing, with the WHO reporting increasing case numbers and cross-border transmission.
The public health response to the outbreak is ongoing, with the WHO providing updates and guidance. Readers can follow updates on the WHO website, where the latest information on the outbreak can be found.
Primary source: WHO — Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo & Uganda