
The Bundibugyo virus, a rare strain of Ebola, has been identified as the cause of a deadly outbreak in the Democratic Republic of the Congo and Uganda, the World Health Organisation (WHO) confirmed on 17 May 2026, with the event now declared a public health emergency of international concern.
The outbreak has already been linked to at least eight laboratory-confirmed cases, 246 suspected infections and around 80 suspected deaths, according to WHO figures cited in its official statement.