Ebola Outbreak in Congo and Uganda Tops 1,480 Confirmed Cases as Global Health Agencies Race to Contain Spread

Ebola Outbreak in Congo and Uganda Tops 1,480 Confirmed Cases as Global Health Agencies Race to Contain Spread

The Ebola outbreak caused by Bundibugyo virus in the Democratic Republic of the Congo and Uganda has grown into one of the largest Ebola emergencies on record, with health agencies reporting more than 1,480 confirmed cases, more than 450 confirmed deaths and signs that the response is still struggling to outrun transmission in parts of eastern Congo.

The latest publicly available figures from the U.S. Centers for Disease Control and Prevention, updated July 3, put the outbreak at 1,481 confirmed cases and 454 confirmed deaths across the Democratic Republic of the Congo, Uganda and one imported case in France. The CDC says no cases linked to this outbreak have been confirmed in the United States and that the risk to the American public and travelers remains low, but the agency has been operating a public health emergency response since May 17.

European health officials are watching the same outbreak closely. The European Centre for Disease Prevention and Control said in a July 3 update that the outbreak, caused by Bundibugyo virus, was affecting DRC and Uganda, with one imported case reported in France and another imported infection involving a U.S. citizen medically evacuated to Germany. ECDC said the likelihood of infection for people living in the European Union and European Economic Area remains “very low,” while noting that “significant surveillance and epidemiological gaps” remain.

This is not a routine Ebola flare-up. On May 17, the World Health Organization determined that the epidemic of Ebola disease caused by Bundibugyo virus in DRC and Uganda constituted a public health emergency of international concern, the highest level of alert under the International Health Regulations. WHO said at the time that the event did not meet the criteria for a pandemic emergency, but it did require international coordination because of cross-border spread, uncertainty around the true size of the outbreak and the absence of approved Bundibugyo-specific vaccines or therapeutics.

The story is now entering a decisive phase: case counts have risen sharply since early June, response teams have expanded testing and contact tracing, and health agencies are trying to keep public concern proportionate. Ebola is a severe disease, but it does not spread through casual airborne exposure the way measles or COVID-19 can. It spreads through direct contact with the body fluids of a person who is sick with or has died from Ebola, contaminated surfaces and unsafe burial practices. That makes fast diagnosis, isolation, protective equipment, safe care and community trust the center of the response.

What the latest numbers show

CDC’s July 3 situation summary lists 1,460 confirmed cases and 452 confirmed deaths in DRC as of July 1. Uganda had reported 20 confirmed cases and two confirmed deaths as of July 2, plus one probable case and one probable death. France had reported one confirmed imported case as of June 24 and no deaths. Across all reporting locations, CDC listed 1,481 confirmed cases, 454 confirmed deaths, one probable case and one probable death.

ECDC’s update provides more geographic detail. As of July 2, DRC had reported 1,460 confirmed cases from data through June 30, including 641 people hospitalized in isolation and 452 confirmed deaths. That represented an increase of 54 new confirmed cases and 14 new deaths since ECDC’s previous update. Nine of the deaths were among newly confirmed cases, a reminder that case reporting can lag behind real-world transmission and illness.

In DRC, Ituri province remains the center of the outbreak. ECDC reported 1,333 confirmed cases and 380 deaths in Ituri, with cases spread across 24 of the province’s 36 health zones. North Kivu had reported 124 cases and 71 deaths across 11 of 34 health zones. South Kivu had reported three cases and one death in one health zone. Overall, 36 of 104 health zones across the three affected provinces were reporting cases.

Uganda’s outbreak is smaller but important because it demonstrates regional spread. ECDC said Uganda had reported 20 confirmed cases and two deaths as of July 1. The last confirmed Ugandan case was reported on June 21, and no new cases had been reported since then. Of Uganda’s confirmed cases, 15 had travel links to DRC and five were linked to local transmission events. Fifteen people in Uganda had recovered.

WHO Director-General Dr. Tedros Adhanom Ghebreyesus said July 2 that Ebola continued to expand in DRC, with an average of 38 new confirmed cases each day over the prior two weeks. He said no new cases had been reported in Uganda since June 21. WHO also said testing capacity had expanded to 10 laboratories closer to affected communities, alongside improved contact tracing and treatment capacity.

Why Bundibugyo virus changes the response

Bundibugyo virus disease is a form of Ebola disease caused by Bundibugyo virus, one of the orthoebolaviruses known to cause severe illness in people. It is not the same strain as Zaire ebolavirus, the virus involved in some of the best-known Ebola outbreaks and the target of licensed Ebola vaccines and treatments.

That distinction matters. CDC’s June 11 Morbidity and Mortality Weekly Report on the outbreak said treatment for Bundibugyo virus disease consists of supportive care and that no medications or vaccines against Bundibugyo virus disease had been approved. WHO also cited the lack of approved Bundibugyo-specific therapeutics or vaccines as one reason the event was extraordinary when it declared the emergency in May.

Supportive care can still save lives. For Ebola, that can mean careful fluid and electrolyte management, treatment of complications, rapid isolation, infection prevention and control, and clinical monitoring. But the lack of approved strain-specific countermeasures narrows the margin for error and raises the importance of basic outbreak control: identify cases early, protect health workers, trace contacts, communicate clearly and respond safely to deaths.

There are signs of scientific movement. Tedros said July 2 that a clinical trial of two therapeutics had launched, with the first patient enrolled, and that WHO had given emergency use listing to the first molecular diagnostic test for Bundibugyo virus. Those steps do not mean a cure or vaccine is available, and readers should be cautious about overreading early trial activity. They do mean the response is shifting from emergency containment alone toward building evidence for tools that may help in this and future outbreaks.

CDC’s MMWR report also underscores how quickly the outbreak grew. As of June 2, the agency said 378 confirmed cases and 63 confirmed deaths had been reported. By the July 3 CDC situation summary, confirmed cases had reached 1,481 and confirmed deaths 454. Differences in surveillance, reporting delays and case definitions can complicate direct comparisons, but the upward trajectory is clear.

The U.S. risk is low, but the response is active

For U.S. readers, the key point is measured, not alarmist: no cases tied to this outbreak have been reported in the United States, according to CDC, and the likelihood of Ebola spreading to the United States is considered very low. CDC says that if a case were diagnosed in the United States, the risk of onward spread would also be low because of the country’s public health system and infection control measures.

That does not mean U.S. agencies are idle. CDC says roughly 400 people at the agency are involved in the response, including more than 120 deployed to affected countries. The agency says it is working internationally and domestically to prevent Ebola from entering the United States, support outbreak control and prepare hospitals and public health authorities to identify and manage possible cases.

The U.S. government also moved quickly in May. CDC’s MMWR report says the agency initiated a public health emergency response on May 17. On May 18, the U.S. began restricting entry for travelers who had been in DRC, Uganda or neighboring South Sudan in the previous 21 days. Since May 22, CDC says only U.S. citizens or nationals have been allowed to enter the United States from those countries.

CDC recommends avoiding non-essential travel to Ituri, Nord-Kivu and Sud-Kivu provinces in DRC. Travelers to DRC or Uganda are advised to take precautions to avoid Ebola exposure and monitor for symptoms while traveling and for 21 days after leaving. That 21-day window reflects the expected incubation period for Ebola disease.

The agency’s advice is especially important for health workers, aid workers, people visiting affected communities and anyone who might have contact with patients, funerals or health facilities in outbreak areas. Ebola risk is not evenly distributed among all travelers. It is highest for people with direct exposure to blood or body fluids of someone who is sick or has died from the disease, or to contaminated materials.

Health workers and community trust are central

Ebola outbreaks are often hardest on health workers and communities already living with conflict, displacement or fragile health systems. WHO’s May emergency declaration cited reports of health worker deaths in DRC and concerns about health-care-associated transmission, gaps in infection prevention and control, and possible amplification within health facilities.

CDC’s MMWR report said initial case clusters in DRC were identified among health care workers whose symptoms included acute fever, vomiting, diarrhea and, in some cases, bleeding. Uganda’s outbreak, CDC said, primarily involved travelers arriving from DRC, with secondary transmission to health care workers.

That pattern is familiar in Ebola response: clinics and hospitals can save lives, but if infection prevention is weak or protective equipment is lacking, they can also become points of spread. The answer is not to frighten people away from care. It is to make care safer, faster and more trusted.

Africa CDC says it is working with affected member states, ministries of health, regional partners and international stakeholders to strengthen surveillance, laboratory capacity, risk communication, cross-border coordination, infection prevention and control, and emergency response operations. Its public guidance describes Bundibugyo virus disease as severe and often fatal, with symptoms that can include fever, severe headache, weakness, vomiting, diarrhea, muscle pain and, in some cases, unexplained bleeding or bruising.

Trust is not a soft issue in an Ebola outbreak. Tedros said July 2 that the response in DRC had improved, but that responders still faced “significant challenges, including mistrust and violence.” He said an Ebola treatment center in Ituri province had been attacked and set on fire that week, resulting in two deaths and patients fleeing. Attacks on treatment centers can undo days or weeks of contact tracing and isolation work in a matter of hours.

What readers should and should not take from this

The outbreak deserves attention because it is large, dangerous and internationally significant. It does not justify panic in places where there is no local transmission. Ebola is frightening because of its severity, but its transmission dynamics are different from respiratory viruses that spread efficiently through the air.

For people outside affected areas, the practical takeaway is to follow official travel guidance, avoid rumor-driven claims and understand the symptoms and exposure risks if they have recently been in DRC or Uganda. For people in or near affected communities, public health advice is more direct: seek care early if symptoms develop after possible exposure, avoid contact with bodily fluids of sick people, follow safe burial guidance, and cooperate with contact tracers where possible.

For policymakers, the outbreak is another test of whether the world can sustain attention after the first alert. WHO’s emergency declaration warned in May that the true number of infected people and geographic spread were uncertain. ECDC repeated July 3 that surveillance and epidemiological gaps remain significant. Those are not bureaucratic footnotes. They are the difference between seeing the outbreak clearly and chasing it from behind.

There is also a scientific equity issue. Bundibugyo virus has caused previous outbreaks, including in Uganda in 2007 and DRC in 2012, but the world still lacks approved Bundibugyo-specific vaccines and therapeutics. When outbreaks occur in under-resourced or conflict-affected areas, the absence of ready tools is not an accident of nature alone; it reflects years of uneven investment in pathogens that threaten populations far from wealthy markets.

For now, the facts are stark enough without exaggeration. A cross-border Ebola outbreak declared in May has expanded to more than 1,480 confirmed cases. DRC remains the epicenter, Uganda has not reported a new confirmed case since June 21, and imported cases have been reported in Europe. U.S. and European agencies continue to describe the risk to their general populations as low or very low, but they are responding because the outbreak’s course in central and eastern Africa still matters to global health.

The next few weeks will show whether expanded laboratory testing, safer care, contact tracing, community engagement and international support can bend the curve. In Ebola response, speed matters. So does precision. The public deserves both: clear urgency for the places at risk, and calm accuracy everywhere else.

Sources

• CDC: Ebola Outbreak Current Situation
• ECDC: Ebola disease outbreak in the Democratic Republic of the Congo and Uganda
• WHO: Epidemic of Ebola disease caused by Bundibugyo virus determined a public health emergency of international concern
• UN News: WHO chief spotlights global health emergencies
• CDC MMWR: Outbreak of Ebola Disease Caused by Bundibugyo Virus — DRC and Uganda, May 2026
• Africa CDC: Bundibugyo Virus Disease outbreak in DRC and Uganda