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his photo taken on May 17, 2026 shows an exterior view of a hospital that has been designated as an Ebola treatment center in Goma, the Democratic Republic of the Congo DRC. TO GO WITH “Update: DR Congo Ebola outbreak spreads to rebel-held city, Rwanda closing down border” (Photo by Str/Xinhua via Getty Images)

(LONDON) — At least 513 suspected cases and 131 suspected deaths have been recorded in the ongoing Ebola outbreak in the eastern Democratic Republic of the Congo, officials said Tuesday.

Congolese Minister of Public Health Samuel Roger Kamba said during a press briefing in French that authorities will determine which of these deaths “are actually linked to the disease.”

World Health Organization Director-General Tedros Adhanom Ghebreyesus, during the United Nation agency’s annual World Health Assembly in Geneva on Tuesday, recalled how he declared Congo’s current Ebola outbreak a public health emergency of international concern on Sunday, saying it was the first time a WHO chief had done so before convening an emergency committee.

“I did not do this lightly,” Tedros said. “I did it in accordance with Article 12 of the International Health Regulations, after consulting the ministers of health of both countries, and because I am deeply concerned about the scale and speed of the epidemic. We will convene the Emergency Committee today to advise us on temporary recommendations.”

At least 30 cases of Ebola virus disease have been confirmed in the ongoing outbreak in Congo, from the northeastern province of Ituri. In addition, there are more than 500 suspected cases and over 130 suspected deaths, according to Tedros.

Cases have been reported in urban areas, including one of Congo’s largest cities, Goma, the rebel-held capital of the eastern province of North Kivu, Tedros said.

Uganda has also confirmed two cases in its capital Kampala, including one death, among two individuals who traveled from neighboring Congo, according to Tedros.

This outbreak is caused by the Bundibugyo virus, a rare variant of Ebola for which there are no approved vaccines or therapeutics, Tedros said.

On Tuesday, Dr. Anne Ancia, WHO’s representative in the DRC, said more than 40 experts were deployed to the field on Sunday and the WHO has sent 12 tons of supplies, with six more tons coming.

Supplies include personal protective equipment for front line healthcare workers, laboratory samples, tents, drugs and other treatments.

“What I see here in the field is extremely vulnerable people, a [fragile] population,” Ancia said. “But I see also people working together while facing great uncertainty as to the [scale] or the extent of this outbreak.”

She said the surveillance capacity is limited in the affected region, which could be why the outbreak is spreading rapidly.

“We really need to go fast to really try to stop the spread of the disease further,” she said. “We don’t understand yet the extent of the spread of the disease.”

According to The Associated Press, more than 20 Ebola outbreaks have occurred in Congo and Uganda, but this is only the third time that the Bundibugyo virus has been detected.

An American doctor working in the DRC is among those who has tested positive for Ebola amid the outbreak, according to an international Christian missions organization.

Dr. Peter Stafford, a medical missionary with the missions organization Serge, was exposed while treating patients at Nyankunde Hospital, the group said Monday.

He sought testing “after presenting symptoms consistent with the virus,” Serge said in a statement.

Dr. Satish K. Pillai, incident manager for the Centers for Disease Control and Prevention’s Ebola response, said the agency had activated its Emergency Operations Center through its country offices in the DRC and in Uganda, and is deploying technical experts that have been requested from Atlanta headquarters.

Pillai added that the risk to the U.S. general public remains low.

The CDC said earlier Monday that it is preparing to restrict entry for travelers arriving from parts of central Africa where an Ebola outbreak has been declared, in coordination with the Department of Homeland Security.

On Sunday, the CDC said in a statement that a “small number of Americans” were directly affected by the Ebola outbreak.

Health Secretary Robert F. Kennedy Jr. told ABC News on Monday that his agency is “working on” the Ebola outbreak.

ABC News’ Youri Benadjaoud, Eric M. Strauss and Mary Kekatos contributed to this report.

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