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Tuesday 28 March 2023 Dublin: 13°C
CDC Public Image Library
# Photographs
Vintage photos show the terrifying first expeditions into the Congo to track down Ebola
In 1976 a young Belgian doctor ventured across what was then Zaire to find the source of the infection.

THE FIRST KNOWN Ebola outbreak devastated a small village called Yambuku and the surrounding area in the north of the Congo in 1976.

When it started to kill patients in a missionary hospital, a Flemish nun was infected, and samples of her blood were sent to Belgium. Scientists soon realized they were dealing with something unknown.

After a harrowing experience with the virus in the lab, Peter Piot, a 27-year-old doctor who was one of the first to examine Ebola, left his pregnant wife in Belgium and set off for the Congo, then called Zaire, to track down the source of the outbreak. There he joined researchers from around the world for a terrifying hunt for the origin of the disease.

Piot wrote about the experience in his book “No Time to Lose: A Life in Pursuit of Deadly Viruses.” Using photos from the CDC’s Public Health Image Library, we’ve illustrated their several expeditions into the Congo.

The first known Ebola outbreak devastated a small village called Yambuku and the surrounding area in the north of the Congo in 1976.

ebola jeep CDC Public Health Image Library CDC Public Health Image Library

Using photos from the CDC’s Public Health Image Library, we’ve illustrated their several expeditions into the Congo.

first image CDC Public Image Library Immediately upon arrival, Piot was swept through the airport — avoiding customs, because his passport wasn't valid — and rushed to meet the others who planned to track down the virus’ source. He’s the third from the left in the middle row here, wearing the colorful shirt. CDC Public Image Library


map CDC Public Image Library CDC Public Image Library

Their mission was in Yambuku, 700 miles northeast. Stories of birds dropping out of the sky, sick with fever, and of human bodies by the roadsides had terrified pilots who at first refused to fly the team to the closest airfield in Bumba, a town of 10,000 on the edge of the epidemic zone.

plane congo CDC Public Image Library After some cajoling, pilots agreed to drop the team and their Land Rover off if they could immediately depart for safety. Hundreds of scared locals surrounded the plane upon arrival, hoping for a way out, but military police beat them back so the researchers could unload. CDC Public Image Library

second map CDC Public Image Library CDC Public Image Library

Piot says that by the time they left for Yambuku, “my natural skepticism began to fall away, replaced by doom.” He was convinced by “the evident fear of the pilots and the townspeople of Bumba and their desperate attempts to flee the town.”

skyview of town CDC Public Image Library Finally in Yambuku, they found the mission and hospital. The nuns had tried to shut everything down and had posted a sign around the guesthouse they were sleeping in that warned “anybody who passes this fence will die.” CDC Public Image Library

Once there they set out to search nearby villages for victims of the disease. Some were untouched, while others had seen entire families wiped out.

Many of the tiniest villages had built barricades at their entrances, setting up a quarantine system – something village elders had learned to do when smallpox epidemics had torn through the region in the past.

village in africa CDC Public Image Library As Piot and another doctor examined an infected couple in one small hamlet, the man died as they drew blood from his wife. Afraid that locals might think they were responsible, they departed quickly, leaving gloves and explaining that villagers should not wash the body as was common during funeral rituals. CDC Public Image Library

The doctors checked mosquitoes, pigs, and cows, trying to find the source of new infections. They examined seven bats and 123 rats. Investigators even pureed 818 bedbugs from infected sites, but none carried any trace of the virus.

hospital CDC Public Image Library The hospital was the tragic clue. Many Ebola victims seemed to be pregnant women. The nuns had been giving pregnant women vitamin shots (with unnecessary vitamins) and reusing infected needles. Almost certainly, Piot writes, they had unwittingly killed large numbers of people. CDC Public Image Library

They determined that Yambuku was the outbreak’s center. One of the first survivors was the wife of the headmaster of the local school, one of the first casualties. Before showing signs of infection, the headmaster had returned from the forest carrying monkey and antelope carcasses.

As far as anyone knows, he was “patient zero,” potentially having caught the infection from the dead monkey. From there it spread through body fluids, including blood on the reused needles.

hospital 2 CDC Public Image Library Later they set up a clinic in the area, trying to study the disease and spreading the word to local villages that victims should not be touched without protection. One of the team members made sure they obsessively monitored their own temperatures. CDC Public Image Library

While working through a handle of Kentucky bourbon one night, they looked at a poorly drawn map and saw the Ebola River — somewhat nearby, but not as close as they thought. But that’s the name they chose.

They’d been calling the disease the Yambuku virus but did not want to stigmatize the village further.

containment area It wasn’t long before they had to evacuate a Peace Corps doctor in one of the first negative-pressure isolation units ever designed, designed to trap both virus and person “for the duration of our treatment, or our few remaining days alive,” according to Piot.


containment 2 CDC Public Image Library Del Conn, the Peace Corps doctor, turned out to be OK. Many viruses show symptoms similar to Ebola's inital flu-like symptoms. CDC Public Image Library

By flooding the area with resources, they were able to provide enough medical treatment for those infected as well as food and other resources for those trapped in the region.

Though they didn’t know what they were dealing with at the time, they were able to avert a bigger disaster.

The first Ebola outbreak killed 88% of those infected, 280 people. It’s possible that the same infection was responsible for a Sudanese outbreak that year, which killed another 151, 53% of those infected.

The area was almost impossible to explore, and locals didn’t always trust or believe the doctors, but the isolation helped contain the disease. Now that Ebola is in urban areas, it’s much harder to slow the infection rate.

another map ebola CDC Public Image Library The CDC representative with the group thought the original outbreak could lead to “potentially the most deadly epidemic of the century.” It didn't — but it was the worst Ebola outbreak until the current one, which has spread much further, as you can see below. Some worst-case-scenario projections predict that if conditions don't improve, more than one million people could be infected by the end of January. CDC Public Image Library

Kevin Loria @kevloria

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