What Is Ebola Virus? All You Need To Know As WHO Declares Ebola Outbreak in Congo and Uganda a Global Public Health Emergency

The World Health Organization (WHO) has declared the ongoing Ebola outbreak in the Democratic Republic of the Congo (DRC) and neighbouring Uganda a Public Health Emergency of International Concern (PHEIC). The emergency declaration follows confirmation that a rare strain of the virus, Bundibugyo virus, has killed at least 65 people in the DRC's eastern region and has begun spreading undetected across borders. Health officials issued the highest level of global alert to accelerate international funding and medical resources to contain the virus before it spreads further.

Cross-Border Transmission of a Rare Strain

The current epidemic is centred in the eastern provinces of the DRC, an area historically vulnerable to viral outbreaks due to high population mobility and regional infrastructure challenges. According to the BBC, the virus is believed to have been spreading undetected for approximately three weeks before health systems officially identified the cluster, significantly complicating initial contact-tracing efforts. Ebola Outbreak Caused by Bundibugyo Virus in Congo and Uganda Global Public Health Emergency, Says WHO.

The emergency response intensified after Uganda confirmed an imported case, signalling active cross-border transmission. Health officials note that this specific outbreak is driven by a rare strain of the virus called the Bundibugyo virus. Unlike the more common Zaire strain, which was heavily mitigated during past epidemics using established vaccines, the variant fueling the current outbreak does not have an approved, widely available commercial vaccine.

What Is Ebola Virus Disease?

According to the WHO, Ebola virus disease (EVD), formerly known as Ebola hemorrhagic fever (EHF), is a rare but severe and frequently fatal illness in humans. The virus is zoonotic, meaning it is initially transmitted to people from wild animals - such as fruit bats, porcupines, and non-human primates - and subsequently spreads through human-to-human transmission. The WHO outlines the primary characteristics of the virus as follows:

• Transmission: Transmission occurs via direct contact with the blood, secretions, organs, or other bodily fluids of infected people, as well as surfaces or materials (e.g., bedding, clothing) contaminated with these fluids.
• Symptoms: The disease is characterised by the sudden onset of fever, intense fatigue, muscle pain, headache, and a sore throat. This is typically followed by vomiting, diarrhea, a skin rash, and impaired kidney and liver function.
• Haemorrhaging: In advanced stages, some patients experience severe internal and external bleeding, often manifesting as bleeding from the gums or blood in stools.
• Infectious Period: Individuals are not contagious until they develop active symptoms. The incubation period ranges anywhere from 2 to 21 days.

The Implications of a Global Emergency Amid Ebola Outbreak

A Public Health Emergency of International Concern (PHEIC) is a formal designation used by the WHO to signal an extraordinary health event that poses a risk to multiple countries through international spread. This designation mandates a coordinated, legally binding international response to prevent an unmanaged expansion of the disease. The declaration allows the WHO to issue temporary health recommendations, streamline international aid pipelines, and deploy specialised emergency medical teams to the affected zones. The primary objective is to assist local health ministries in scaling up field laboratories, isolating confirmed patients, and securing perimeter controls without resorting to counterproductive international trade or travel restrictions. Congo Ebola Outbreak: 65 Dead and 246 Suspected Cases Reported in Fresh Health Emergency in Ituri Province.

Medical Countermeasures and Containment Challenges

The average case fatality rate for Ebola virus disease fluctuates around 50 per cent, though past outbreaks have seen mortality rates vary from 25 per cent to 90 per cent depending on the specific strain and the quality of clinical care. Because the current variant lacks a standardised vaccine, medical teams are relying heavily on supportive care. This involves aggressive rehydration therapy and symptomatic treatment, which significantly improve survival outcomes if administered early.

Community engagement remains a critical pillar of the containment strategy. The WHO and local health agencies are working alongside local leaders in the DRC and Uganda to implement safe and dignified burial protocols, reinforce strict infection control measures in rural clinics, and educate the public on the necessity of reporting early symptoms to prevent household transmission.

(The above story first appeared on LatestLY on May 17, 2026 01:02 PM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).