The World Health Organization has declared a public health emergency of international concern over an Ebola outbreak in eastern Democratic Republic of Congo — its highest alert level, triggered after the Bundibugyo strain of the virus moved beyond its origin point in Ituri province, crossed into Uganda and turned up in Kinshasa, DRC’s capital, thousands of kilometers from where the outbreak began.

Around 246 suspected cases and 80 deaths have been recorded so far. Eight have been laboratory confirmed. But WHO chief Tedros Adhanom Ghebreyesus was frank about the gap between those figures and reality, warning of “significant uncertainties to the true number of infected persons and geographic spread.” The outbreak, in other words, is almost certainly bigger than what health systems are currently able to see.

What separates this crisis from previous Ebola emergencies is the strain involved.

The Bundibugyo virus has no approved vaccine and no approved treatment — the medical tools that helped contain earlier outbreaks simply do not exist for this one. Historical data puts its case fatality rate at around 30 percent.

Uganda confirmed two cases, including the death of a 59-year-old Congolese man whose body was subsequently returned home. A confirmed case also emerged in Goma, the eastern city currently under M23 rebel control. The confirmed Kinshasa case — believed to involve a patient who had traveled from Ituri — is the data point that sharpens the urgency most. When a pathogen with no available vaccine reaches a capital city of nearly 17 million people, the containment calculation changes entirely.

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Africa CDC Director-General Jean Kaseya flagged funeral practices as a specific transmission risk requiring immediate public messaging. Community burial customs — where family members wash and prepare bodies — drove significant spread during the 2014-2016 West Africa outbreak that eventually killed more than 11,000 people. “We don’t want people infected because of funerals,” Kaseya said.

Six American citizens have reportedly been exposed to the virus in DRC, with one showing symptoms, though no infections have been confirmed.

The US government was working to evacuate the group, with a military facility in Germany cited as a possible destination. The CDC announced it was deploying additional staff to both DRC and Uganda.

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Eastern DRC’s security environment makes everything harder. Active conflict involving M23 rebels and the ADF insurgency restricts health workers’ access to affected communities, disrupts contact tracing and limits the supply chains feeding treatment centers.

People displaced by fighting move the virus with them. The WHO specifically noted the high density of informal healthcare facilities in the region — settings where infection control is inconsistent and where exposure risk runs in both directions, hitting patients and workers alike.

Rwanda moved to tighten border screening. The WHO called on neighboring governments to strengthen surveillance while explicitly advising against border closures, describing such measures as fear-driven rather than science-based.

DRC has now recorded 17 Ebola outbreaks since the virus was first identified near the Ebola River in 1976. The emergency declaration is not a pandemic announcement. It is a formal signal that what is happening in Ituri has consequences beyond Ituri — and that the window for containing it is open, but not indefinitely.