the bundibugyo ebola virus outbreak in ituri province, drc, and across the border into uganda has reached 901 confirmed cases, with ituri accounting for 91.1% of them and a case fatality rate of 22.7%. the last confirmed case was june 5 2026, but health authorities noted that transmission in newly reporting health zones likely occurred weeks before detection — meaning the visible case count lags the actual transmission timeline. who issued comprehensive filovirus response guidelines the same week, citing a roughly 25% probability of another pandemic within a decade. the detection lag in a high-cfr outbreak is structurally significant regardless of current case trajectory.