How Mali Thwarts an Ebola Outbreak

Mali’s Ebola scare is not yet over. But with a quick diagnosis, extensive communication, and no shortage of luck, authorities and partners may be able to limit the number of cases to one.

Using old-fashioned detective work, public health workers in Mali, one of the world’s poorest nations, working with the Centers for Disease Control and Prevention and the World Health Organization, tracked and quarantined 108 people in two cities and a few roadside towns who may have had contact with a 2-year-old girl from Guinea who died of Ebola on Oct. 24.

There was even a car chase: The last bus the family traveled on during a 700-mile journey from Guinea was stopped on a rural highway, emptied out and disinfected.

A 21-day quarantine since the little girl’s death on Oct. 24 is almost over, and 41 of the 108 Malians in quarantine are due to be released Tuesday, and the remainder by Friday. Since none are showing symptoms, health officials are allowing themselves to hope that their quick response has kept Mali’s first outbreak to a single case.

If so, Mali will join Senegal and Nigeria in having proved yet again that rapid reactions can stop Ebola. In contrast, the initial outbreak in Guinea festered unaddressed for months before it exploded.

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A worker disinfected a bus that arrived in Kayes from Bamako — the same route taken by Fanta Condé and her family from Guinea. They rode with Africa Star, another transport company that no longer takes this precaution - Credit: Nick Loomis for The New York Times

“I’m actually feeling very good right now,” Dr. Rana Hajjeh, who led the C.D.C. advisory team, said Friday. “We feel reassured that most of the danger is over.”

The case also illustrates how even people in close contact with victims do not necessarily get the disease, which spreads when infectious fluids get into an open cut, or a nose, eye or mouth.

Remarkably, no one in Mali who touched the girl, Fanta Condé, is yet sick. Not the woman she called her grandmother, her 5-year-old sister or her uncle, who all spent three days traveling with her from Beyla, Guinea. Not Dr. Abdouramane Koungoulba, the pediatrician who first examined her on Oct. 21, nor two traditional healers who saw her earlier, nor any of a dozen other doctors or nurses who gave her a transfusion and intravenous hydration and cleaned up her vomit and diarrhea in the 48 hours before she died.

Nor, apparently, are any of the dozens of bus passengers, taxi drivers, family friends or other contacts she had while traveling.

The episode also drew attention to an unusual decision by President Ibrahim Boubacar Keïta: Unlike most West African countries, Mali has not closed its border with an Ebola-affected neighbor — in this case, Guinea.

That is partly for practical reasons. There are so many gravel roads crossing the long border that closing it is probably impossible.

Dr. Abdou Salam Gueye, a C.D.C. investigator, explained that closing the border would violate an honored Malian principle of diatiguiya (pronounced JAH-tih-GEE), the belief that hospitality to friends and even strangers is obligatory. It extends back centuries, to the days when Mali was the core of a great West African empire, and travelers with introductions were welcomed like family.

Michel Sidibé, the Malian executive director of U.N.AIDS, the United Nations’ H.I.V.-fighting agency, said diatiguiya is a Mandingo tradition.

“If I come to my diatiguiya’s house, he cannot close the door,” Mr. Sidibé explained. “His home is my home. Even if I am sick, he must bring me in. And this has extrapolated into ‘I cannot close the border.’ ”

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Mali’s harrowing brush with Ebola began last month with a woman’s selfless act: trying to rescue two young girls in her family from the disease. Aminata Gueye Tamboura, 45, fetched them from their ailing family in Guinea, the cradle of the epidemic, then took them aboard buses and taxis, back to her home in Kayes, in northwest Mali. (Mrs. Tamboura, although called Fanta’s grandmother, is actually the second wife of Fanta’s grandfather in polygamous marriage.)

Fanta had a 104-degree fever and an unstoppable nosebleed by the time she was hospitalized. Health officials feared she had seeded the virus all along the route, potentially turning Mali into the fourth nation engulfed by the disease.

The child’s family in Guinea did not believe the virus existed and rejected medical help, even as relatives began to die there, including Fanta’s father, said Dr. Ibrahima Soce Fall, leader of the W.H.O. team in Mali. Fanta’s mother remained in Guinea with a 3-month-old baby because she had to observe 40 days of mourning for her husband, Dr. Koungoulba said.

Ms. Tamboura, the girls and an uncle left Beyla, a small city, on Oct. 18 in a 10-passenger “bush taxi,” and crossed the border the next day. Some passengers said Fanta was given acetaminophen to lower her fever and avoid detection. Ms. Tamboura denied it.

During a three-hour layover in Bamako, Mali’s capital, the family took taxis to and from the compound of family friends, and rested there. That compound is now also quarantined with 25 people inside; the government delivers food and has posted guards to make sure no one leaves.

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The chlorine powder-covered grave of Fanta Condé, who died of Ebola on Oct. 24, in Kayes, Mali. Credit Nick Loomis for The New York Times

In Kayes, Ms. Tamboura took Fanta to two different traditional healers, known as marabouts, and then to a neighbor, a former doctor, who urged her to go to Fousseyni Daou Hospital, which she did on Oct. 21.

Initially, Dr. Koungoulba said, she told him Fanta was a local child, so he did not suspect Ebola. He did wear gloves, but no other protection. That evening, Ms. Tamboura’s sister admitted that Fanta was Guinean, so he ordered an Ebola test. But it took 24 hours for a car to arrive from Bamako and fetch the sample.

When it turned up positive on Oct. 23, Dr. Koungoulba kept asking himself: “Did I do everything I should? Did I touch her dirty diaper or the blood running from her nose?”

Dr. Hajjeh, who had just finished helping Mali devise a response plan in case the disease ever arrived, said she was at the airport when she heard the test results were positive.

“I canceled my flight and stayed,” she said.

At the hospital, about a dozen staff members were quarantined, as were Fanta’s family and all 40 patients and their families, who sleep under trees on the dusty grounds to help care for the sick.

The quarantine was partly for their own protection, doctors said, since there had been angry reactions elsewhere in Mali to earlier suspected cases, which turned out to be false alarms.