Congo's Ebola outbreak becomes second-deadliest on record as aid cuts cripple response

2,516 confirmed deaths as of August 19; 155 health workers infected with 45 deaths; one million people displaced in Ituri; 792,000 in urgent need of shelter; virus spreading in camps with non-functional sanitation affecting 76,000+ displaced persons.
A virus spread through bodily fluids met populations without sanitation.
Displacement camps in Ituri province lacked functioning latrines as the Ebola outbreak accelerated.
Mark

Why did this outbreak spread so much faster than the West African one, even though we know more about Ebola now?

Mimi

Because the surveillance that catches cases early was defunded. The virus circulated for three months before anyone officially noticed it. By the time they did, it had already moved through communities and displacement camps where there was no one watching.

Mark

But there was a vaccine, wasn't there? Couldn't that have helped?

Mimi

Not the right one. They had 70,000 doses of a vaccine designed for a different Ebola species. Whether it even works against this strain is still being tested. The vaccines actually designed for this virus only entered human trials after people were already dying.

Mark

How did the humanitarian response collapse so completely?

Mimi

American funding was cut. Action Against Hunger lost 70 percent of its budget. The World Food Programme went from feeding 2.3 million people to one million. The camps where displaced people were crowded together didn't have working latrines. A virus spread through bodily fluids met populations without sanitation.

Mark

Was this just bad luck, or was there a choice involved?

Mimi

There was a choice. The surveillance projects were halted in 2025. The funding was withdrawn. The agencies were abolished. Uganda contained its outbreak to 20 cases because it had the tools and the will. The DRC had neither.

Mark

What happens next?

Mimi

The outbreak could become the deadliest ever recorded. The intervals between epidemics are shortening. Without rebuilding the surveillance and the capacity that was dismantled, this becomes the new normal in the eastern Congo.

  • 5,290 confirmed cases, 2,516 deaths in three months across six provinces
  • 70,000 doses of vaccine designed for different Ebola species; 500,000 more requested
  • US funding cuts eliminated 70% of Action Against Hunger programs; World Food Programme reached 1 million of 2.3 million targeted
  • Virus circulated undetected for three months before May 15 declaration due to defunded surveillance
  • 155 health workers infected, 45 dead; case fatality ratio 47.5% overall, up to 70% in weakest response areas

5,290 confirmed cases across six provinces with 47.5% case fatality ratio; outbreak moving faster than any previous Ebola epidemic, killing one person every 30 minutes. Only 50,000 doses of vaccine designed for different Ebola species available; US funding cuts eliminated 70% of Action Against Hunger programs and defunded disease surveillance systems.

The DRC's Bundibugyo Ebola outbreak has become the second deadliest on record with 2,516 deaths in three months, spreading faster than any previous epidemic amid defunded surveillance, withdrawn humanitarian aid, and vaccine shortages.

By mid-August, the Democratic Republic of the Congo was in the grip of an Ebola outbreak that had already claimed more than 2,500 lives in just three months. The numbers alone told a story of catastrophic speed: 5,290 confirmed cases scattered across six provinces, a case fatality rate hovering near 48 percent, and in the worst-hit areas, climbing as high as 70 percent. The World Health Organization had declared it a public health emergency of international concern. The Africa Centres for Disease Control warned it could become the deadliest Ebola outbreak ever recorded. One person was dying every 30 minutes.

What made this outbreak remarkable was not just its toll but its velocity. By the 13th week of the epidemic, it had recorded nearly 5,000 confirmed cases and 2,400 deaths—roughly ten times the case count and seven times the death toll of the West African outbreak at the same stage, the one that had killed 11,325 people between 2014 and 2016. The virus was moving faster than any Ebola epidemic before it, fueled by conflict, population displacement, and movement along roads, rivers, and mining routes. In Uganda, by contrast, a similar outbreak had been contained to 20 cases and two deaths, closed by late July. The difference was not the virus. It was whether the sick reached treatment in time.

Yet the machinery to find the sick and get them to care was being dismantled. The virus had been circulating in eastern communities since late February, nearly three months before anyone officially acknowledged it on May 15. That delay was not accidental. A humanitarian official in Kinshasa told reporters that many disease surveillance projects in the DRC had been halted in 2025, starved of funding. The surveillance system that might have caught the outbreak weeks earlier had been defunded first. When the virus finally surfaced, the response had to be improvised from whatever remained.

The vaccine situation illustrated the desperation. The only doses available—70,000 of them—were designed to protect against a different species of Ebola virus. Whether they would work against the Bundibugyo strain circulating now was unknown. Early laboratory data suggested maybe, possibly, they might offer some protection. Twenty thousand doses were set aside for a clinical trial to find out. The remaining 50,000 were for frontline workers. Two vaccines designed specifically for Bundibugyo had entered human trials for the first time this year, after the dying had already started. The DRC government had requested 500,000 more doses. None were forthcoming.

The collapse of the humanitarian response was swift and visible. Action Against Hunger, which had been covering 70 percent of its programs in the DRC with American money, lost more than 47 million euros when that funding was withdrawn. The organization laid off about 100 staff members and closed its office in Mai-Ndombe in December 2025, abandoning 200 children with severe acute malnutrition. In the gold-mining town of Mongbwalu, 20 hospital beds sat boxed in a courtyard—the last ones the organization would deliver. The World Food Programme, which had drawn 60 percent of its funding from Washington, now served only the most vulnerable. In 2025, it had reached one million people with food aid in the DRC; it had been targeting 2.3 million. Camp management, the sector hit hardest, had received only 13.7 percent of the funding it needed.

The epidemiological consequences were immediate and visible. At the Plaine Savo displacement camp, where 76,000 people were crowded into a space designed for 20,000, a third of the latrines were broken. At Kigonze in Bunia, assessments found a deficit of more than 589 latrines that went unmet for lack of resources. Ebola had already killed at least three displaced people in that camp. A virus transmitted through bodily fluids had been introduced into settlements without working sanitation, into a region where conflict had already displaced a million people. Health workers staffing the treatment centers faced lethal conditions of their own: by early August, 155 had been infected and 45 had died, a fatality ratio of 29 percent among them.

The broader context was one of systematic dismantling. The Trump administration had abolished the United States Agency for International Development in 2025 and withdrawn from the World Health Organization. The Centers for Disease Control and Prevention's support to PEPFAR—the program whose laboratories and epidemiologists diagnose Ebola across the continent—was being converted to a fee schedule on September 30. Any government receiving more than $125 million in US aid, including the DRC and Uganda, would have to purchase a minimum package. The permanent machinery to detect and suppress infectious disease had been systematically taken apart over 18 months. The DRC's 16th Ebola outbreak had been held to 53 cases because a licensed vaccine existed for the Zaire strain and doses were already in the country. For Bundibugyo, identified 19 years earlier, no such vaccine existed. There was no market in developing it. The gold, cobalt, and coltan of the eastern Congo found buyers on every continent. The disease that circulated among the workers who dug them found none.

The intervals between these epidemics were shortening. What was once a rare event in a few villages was becoming a permanent danger across the eastern Congo and the region beyond. The resources to end the outbreak existed in abundance. They were being withheld, priced out, and dismantled by governments that had weighed their cost against Congolese lives and made their choice.

What concerns him most is where people are dying: at home, in their communities, outside treatment centers and outside any list of known contacts.
— WHO Director-General Tedros Adhanom Ghebreyesus, describing the outbreak's spread
US money had covered 70 percent of its programs in the DRC.
— Issoufou Hamadou, Action Against Hunger field coordinator in Mongbwalu
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