DRC Ebola outbreak deepens as cases rise and WHO launches $518 million response plan

The Ebola outbreak in eastern Democratic Republic of the Congo is moving into a more dangerous phase, with the latest reporting showing a sharp rise in confirmed cases and deaths, continued spread across multiple provinces, and mounting pressure on responders.

The World Health Organization said on June 8 that the outbreak caused by Bundibugyo virus had reached 515 confirmed cases and 91 deaths in the DRC as of June 6. AP later reported 550 confirmed cases and 101 deaths by June 8, and The Guardian cited UN figures on June 14 showing 676 confirmed cases and 136 deaths.

The numbers point to an outbreak that is still accelerating rather than stabilizing. Officials say that matters because Ebola response depends heavily on speed: testing, isolation, contact tracing and safe burials all become harder when transmission is already widespread.

WHO said the outbreak had spread across 25 health zones in Ituri, North Kivu and South Kivu, with Ituri Province accounting for 94% of confirmed cases. The agency also said 16 confirmed cases had been reported among health and care workers.

That concentration in eastern Congo has made containment especially difficult. The area is marked by insecurity, patchy access and distrust of health authorities, all of which can slow the basic work of tracing contacts and moving patients into care.

Cross-border spread

Uganda has also reported cases linked to the outbreak. WHO said that as of June 6, Uganda had 19 confirmed cases and two deaths, with no documented community transmission there.

The cross-border spread raises the regional stakes even though WHO continues to assess the global risk as low. The immediate concern is whether the virus can continue moving through porous borders and affected communities before teams can interrupt transmission chains.

AP reported that the outbreak was complicated by attacks on health workers, local skepticism and armed conflict in the region. Those conditions can delay testing, disrupt surveillance and make it harder for contact tracers to reach exposed families.

WHO likewise said insecurity and attacks affecting health facilities were constraining surveillance and response operations. The agency also warned that incomplete contact tracing was limiting the effectiveness of the response.

Response under strain

On June 5, WHO and Africa CDC launched a continental preparedness and response plan covering June through November, with a budget of US$518 million.

WHO Director-General Tedros Adhanom Ghebreyesus said at the launch that the outbreak was moving fast and that the response was still playing catch-up. The plan is intended to support surveillance, clinical care, infection control, logistics and community engagement across the region.

That funding push reflects how many separate tasks now have to work at once. Responders need laboratory testing, patient care, infection prevention, transport, burial teams, data systems and local outreach to function together in insecure areas.

The scale of the plan also underlines the strain on public-health capacity. Health authorities are trying to respond not just to a growing case count, but to an outbreak that is unfolding in a conflict-affected setting with limited room for error.

Why officials are alarmed

The current outbreak is the DRC's 17th recorded Ebola outbreak, according to WHO and The Guardian. WHO said the virus may have circulated undetected for some time, which would help explain why the outbreak has been so difficult to contain.

The Bundibugyo strain behind the outbreak is also a concern because AP reported that it has no approved vaccine or treatment. That leaves rapid detection, isolation and contact tracing as the main tools available to slow spread.

Those tools work best early. Once an outbreak reaches multiple health zones and crosses into another country, the response becomes much more dependent on trust, access and sustained funding.

WHO said 16 confirmed infections had been recorded among health and care workers as of June 6. In practical terms, that raises the risk to the health system itself, since infected staff can both amplify transmission and reduce capacity to care for patients.

What officials are watching

The biggest open question is how much of the latest jump reflects fresh transmission versus backlog testing and delayed reporting. The available figures show a worsening outbreak, but not the full pace of change inside each affected area.

Officials are also watching whether additional countries report imported cases or tighten travel measures. Uganda's early numbers suggest cross-border spread is already a real issue, even if community transmission has not been documented there.

Another key question is whether funding pledges will close the gap in surveillance and care fast enough. Without sustained financing, teams may struggle to maintain contact tracing, support clinics and reach communities that are still wary of outside intervention.

The next indicators will be whether case growth slows in Ituri, whether access improves in insecure areas and whether the continental response plan receives the resources needed to operate at scale.

For now, the trajectory is clear: the outbreak is still growing, and responders are still trying to catch up.