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Ebola Strikes Again – Asrar Qureshi’s Blog Post #1267

Asrar Qureshi

Dear Colleagues! This is Asrar Qureshi’s Blog Post #1267 for Pharma Veterans. Pharma Veterans Blogs are published by Asrar Qureshi on its dedicated site https://pharmaveterans.com. Please email to pharmaveterans2017@gmail.com  for publishing your contributions here.

Credit: Abdulkadir Muhammad Sani
Credit; Iyke Ibeh
Credit: Emeka Adizua

Preamble

This blog post is based on several related documents from WHO, CDC, and MSF.

Ebola Has Struck Again: Understanding the Disease, Its History, and the Global Fight Against It

The world is once again confronting one of the most feared infectious diseases known to humanity: Ebola Virus Disease (EVD).

A new outbreak, centered in the eastern regions of the Democratic Republic of Congo (DRC) and spreading into neighboring Uganda, has triggered global concern. The World Health Organization (WHO) has declared the outbreak a Public Health Emergency of International Concern (PHEIC) because of its potential for regional and international spread.

Although Ebola is not as easily transmitted as COVID-19, its high mortality rate, severe clinical presentation, and ability to spread through close contact make it one of the most dangerous infectious diseases ever identified.

What Is Ebola?

Ebola Virus Disease is a severe viral hemorrhagic fever caused by infection with an orthoebolavirus. It was first identified in 1976 and is primarily found in sub-Saharan Africa. Depending on the virus species and access to treatment, mortality rates can range from 25% to as high as 90%.

The disease is believed to originate in animals, particularly fruit bats, which are considered the likely natural reservoir. Humans become infected through contact with infected animals or through close contact with bodily fluids of infected individuals.

Disease Presentation: How Ebola Appears Clinically

One reason Ebola is so dangerous is that its early symptoms resemble many common tropical illnesses. The incubation period ranges from 2 to 21 days, with most cases appearing within 8–10 days after exposure.

Among early symptoms, patients usually develop:

These symptoms often resemble malaria, typhoid, influenza, or other viral illnesses.

Progressive Symptoms

As the disease advances, patients may experience:

The patient often deteriorates rapidly if supportive treatment is not initiated.

Hemorrhagic Manifestations

Although not present in every case, severe Ebola can cause:

These dramatic bleeding manifestations helped create the global image of Ebola as a “bleeding disease,” although many patients die from shock, organ failure, and overwhelming infection rather than massive bleeding alone.

How Ebola Spreads

Unlike airborne viruses such as measles or COVID-19, Ebola spreads through direct contact with:

Funeral practices involving washing or touching bodies have historically contributed to major transmission events during outbreaks. Healthcare workers are particularly vulnerable if proper infection-control measures are not followed.

The History of Ebola

Ebola was first identified in 1976 in what is now the Democratic Republic of Congo, near the Ebola River, from which it takes its name. Simultaneously, another outbreak occurred in Sudan. These events introduced the world to one of the deadliest viral diseases ever documented.

Subsequent African Outbreaks

Over the following decades, outbreaks occurred intermittently across Central and East Africa, including:

Many outbreaks were geographically limited but highly lethal.

2014–2016: West Africa Outbreak

The largest Ebola outbreak in history occurred in Guinea, Liberia, and Sierra Leone. This epidemic infected more than 28,600 people and caused over 11,000 deaths. It represented a turning point in global infectious disease preparedness.

The outbreak exposed major weaknesses in global surveillance systems, healthcare infrastructure, and international coordination. It also demonstrated how rapidly infectious diseases can spread in a connected world

2018–2020 DRC Outbreak

Another major outbreak occurred in eastern DRC.

The response became notable for the use of newly developed vaccines and advanced contact-tracing systems. Despite challenges from armed conflict and insecurity, thousands of lives were saved through improved outbreak management.

The Current Outbreak: 2026

The latest outbreak emerged in northeastern DRC, particularly in Ituri Province, before spreading into Uganda through cross-border movement.

As of late May 2026:

What makes this outbreak particularly concerning is that it involves the Bundibugyo strain of Ebola.

Why the Bundibugyo Strain Is Different

Most recent Ebola countermeasures were developed primarily for the Zaire strain, which caused the devastating West African outbreak.The current outbreak is caused by the Bundibugyo virus, a rarer species first identified in Uganda in 2007.

The challenge is significant, because:

This has complicated containment efforts considerably.

What Has Been Done to Combat Ebola Historically?

The global response to Ebola has evolved dramatically over the past decade.

1. Improved Surveillance: Countries and international agencies have developed systems to detect outbreaks rapidly, monitor suspicious illnesses, and conduct laboratory confirmation. Rapid identification is critical because early isolation dramatically reduces transmission.

2. Contact Tracing: One of the most effective Ebola-control strategies is contact tracing. Every person who had contact with an infected individual is identified and monitored for symptoms. This approach helped contain several major outbreaks.

3. Infection Prevention and Control: Healthcare facilities now use isolation units,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             protective equipment, specialized treatment centers, and safe burial procedures. These measures significantly reduce healthcare-associated transmission.

4. Vaccine Development: One of the greatest achievements in Ebola control has been vaccine development. The FDA-approved Ervebo vaccine demonstrated remarkable effectiveness against the Zaire strain and became a breakthrough in outbreak management. However, the current Bundibugyo outbreak highlights the continuing need for strain-specific vaccines.

What Is Being Done Right Now?

Global response efforts have intensified significantly.

WHO has:

The U.S. CDC has:

MSF (Médecins Sans Frontières) is operating Ebola treatment centers and providing frontline medical support in affected areas.

Vaccine Research: Researchers at institutions including Oxford University and international partners are working urgently to develop vaccines specifically targeting the Bundibugyo strain. Clinical trials are being accelerated.

Border Screening and Surveillance: Many countries have strengthened airport screening, travel monitoring, health declarations, and emergency preparedness systems. The goal is early detection and prevention of international spread.

The Biggest Challenges Ahead

Despite scientific advances, several major obstacles remain.

Armed Conflicts: The outbreak is occurring in regions affected by violence and displacement, making contact tracing difficult.

Misinformation: False rumors and distrust of health authorities continue to undermine containment efforts.

Funding Gaps: WHO reports that current funding remains significantly below requirements.

Lack of Approved Bundibugyo Vaccine: The absence of a licensed vaccine for this strain remains a major vulnerability.

Sum Up

Ebola remains one of humanity’s most dangerous infectious diseases, but the world is far better prepared than it was a decade ago.

The current outbreak is a reminder that infectious diseases continue to exploit:

Yet it is also a reminder of how far science has progressed. Today, the world possesses faster diagnostics, better surveillance, more effective outbreak management, stronger international coordination, and advanced vaccine-development platforms.

The battle against Ebola is not over. But every outbreak teaches new lessons, strengthens preparedness, and brings humanity closer to a future where even the deadliest pathogens can be contained before they become global catastrophes.

Concluded.

Disclaimers: Pictures in these blogs are taken from free resources at Pexels, Pixabay, Unsplash, and Google. Credit is given where available. If a copyright claim is lodged, we shall remove the picture with appropriate regrets.

For most blogs, I research from several sources which are open to public. Their links are mentioned under references. There is no intent to infringe upon anyone’s copyrights. If, any claim is lodged, it will be acknowledged and duly recognized immediately.

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