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The World Health Organization has declared an Ebola outbreak in the Democratic Republic of Congo a public health emergency of international concern.

Containing the outbreak is complicated because it involves a rare strain for which no vaccine exists, and cases have emerged in a conflict-affected region.

Ebola is a rare but deadly viral disease.

The virus typically infects animals, particularly fruit bats, but human outbreaks can begin when people consume or handle infected animals.

Symptoms appear suddenly 2 to 21 days after exposure, starting with flu-like signs such as fever, headache and fatigue.

The disease progresses to vomiting and diarrhea and may lead to organ failure. Some patients develop internal and external bleeding, though not all.

Transmission occurs through direct contact with infected bodily fluids including blood or vomit.

This outbreak is caused by the Bundibugyo species of Ebola, which had not been detected in over a decade.

Bundibugyo has caused only two previous outbreaks, killing about a third of those infected.

The rarity of this strain presents significant challenges.

Initial blood tests for Ebola came back negative because they screen for more common species.

No approved vaccine exists for Bundibugyo, though experimental ones are in development. A vaccine for another Ebola species (Zaire) may offer some cross-protection.

No drugs specifically target Bundibugyo, complicating treatment.

Compounding the situation, the outbreak is unfolding in a conflict zone where approximately 250,000 people have been displaced and movement across porous borders into neighboring countries is common.

The WHO’s emergency declaration does not signal the start of a COVID‑style pandemic; the risk of Ebola spreading outside East Africa remains minimal.

The first known case was a nurse who developed symptoms on April 24, indicating the virus had circulated undetected for weeks.

This means the true extent of the outbreak is unknown, making it harder to trace infected patients and their contacts.

The nurse died in Bunia, capital of eastern DR Congo’s Ituri province, according to Congolese Health Minister Samuel Roger Kamba.

Her body was repatriated to Mongwalu, one of two gold‑mining towns reporting most cases.

Kamba said the rapid spread was partly due to exposure during the funeral ceremony.

Africa Centres for Disease Control and Prevention Director Dr. Jean Kaseya told the BBC World Service’s Newsday program that funerals are a particular concern, as in past Ebola outbreaks.

He said public health campaigns are “providing information on how to handle funerals” and stressing basic hygiene, sanitation and protective measures for health workers.

Kamba noted the outbreak was slow to be reported because infected communities believed it to be “witchcraft” or a “mystical illness,” leading people to seek treatment from prayer centers and witchdoctors instead of hospitals.

Initial cases were reported in the Ituri towns of Mongwalu and Rwampara, as well as Bunia.

A case has also been confirmed in Goma, eastern DR Congo’s largest city with about 850,000 residents, which is under rebel control.

In Goma, the confirmed case involved a woman who traveled there after her husband died of Ebola in Bunia, Jean‑Jacques Muyembe, director of the Congolese National Institute for Biomedical Research (INRB), told AFP.

Two people have died in Uganda’s capital, Kampala; they were Congolese nationals who had recently traveled to Uganda.

The Congolese government has sent health teams to Bunia with protective equipment.

The WHO and Médecins Sans Frontières are present, setting up treatment centers and developing a response plan.

A toll‑free number, 151, has been provided for reporting symptoms.

Residents have been urged to take measures including: (no further detail listed in source).

Goma, capital of North Kivu province, is currently controlled by rebels from the AFC‑M23 group, who say they are forming an Ebola response team.

On Sunday, AFC‑M23 spokesman Lawrence Kanyuka said they had “immediately activated” response mechanisms with health services and local medical facilities to prevent Ebola spread in areas under their control.

The Congolese government is unlikely to cooperate with the rebel administration, adding another obstacle to outbreak control.

Africa CDC has warned of a high risk of spread to neighboring countries, specifically Uganda, Rwanda and South Sudan.

It expects to discuss with the four countries “how to strengthen the response.”

Rwandan authorities have said they are reinforcing screening for people entering the country after the confirmed case in Goma, which lies on its border.

One Congolese man told the BBC he was blocked from crossing from Goma into Rwanda.

He said he was told Rwandans were being allowed to return home, as were Congolese nationals living in Rwanda.

In Uganda, President Yoweri Museveni has postponed the Martyrs’ Day pilgrimage, a Christian holiday held annually on June 3 that usually draws thousands of Congolese nationals.

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“summary”: “WHO declares DR Congo Ebola outbreak a public health emergency; rare Bundibugyo strain, conflict, and vaccine gaps complicate response.”
}