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In this photo taken on Sunday, July 27, 2014, Medical personnel inside a clinic taking care of Ebola patients in the Kenema District on the outskirts of Kenema, Sierra Leone. Liberia President Ellen Johnson Sirleaf has closed some border crossings and ordered strict quarantines of communities affected by the Ebola outbreak. The announcement late Sunday came a day after Sirleaf formed a new taskforce charged with containing the disease, which has killed 129 people in the country and more than 670 across the region.(AP Photo/ Youssouf Bah)
Man who died of Ebola raises air-travel fears

How did he manage to board plane after his sister recently died of the virus?

First Published Jul 28 2014 07:47 pm • Last Updated Jul 28 2014 07:54 pm

DAKAR, Senegal • No one knows for sure just how many people Patrick Sawyer came into contact with the day he boarded a flight in Liberia, had a stopover in Ghana, changed planes in Togo, and then arrived in Nigeria, where authorities say he died days later from Ebola, one of the deadliest diseases known to man.

Now health workers are scrambling to trace those who may have been exposed to Sawyer across West Africa, including flight attendants and fellow passengers.

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Health experts say it is unlikely he could have infected others with the virus that can cause victims to bleed from the eyes, mouth and ears. Still, unsettling questions remain: How could a man whose sister recently died from Ebola manage to board a plane leaving the country? And worse: Could Ebola become the latest disease to be spread by international air travel?

Sawyer’s death on Friday has led to tighter screening of airline passengers in West Africa, where an unprecedented outbreak that emerged in March has killed more than 670 people in Guinea, Sierra Leone and Liberia. But some health authorities expressed little confidence in such precautions.

"The best thing would be if people did not travel when they were sick, but the problem is people won’t say when they’re sick. They will lie in order to travel, so it is doubtful travel recommendations would have a big impact," said Dr. David Heymann, professor of infectious diseases at the London School of Hygiene and Tropical Medicine.

"The important thing is for countries to be prepared when they get patients infected with Ebola, that they are isolated, family members are told what to do and health workers take the right steps."

The World Health Organization is awaiting laboratory confirmation after Nigerian health authorities said Sawyer tested positive for Ebola, WHO spokesman Gregory Hartl said. The WHO has not recommended any travel restrictions since the outbreak came to light.

"We would have to consider any travel recommendations very carefully, but the best way to stop this outbreak is to put the necessary measures in place at the source of infection," Hartl said. Closing borders "might help, but it won’t be exhaustive or foolproof."

The risk of travelers contracting Ebola is considered low because it requires direct contact with bodily fluids or secretions such as urine, blood, sweat or saliva, experts say. Ebola can’t be spread like flu through casual contact or breathing in the same air.

Patients are contagious only once the disease has progressed to the point they show symptoms, according to the WHO. And the most vulnerable are health care workers and relatives who come in much closer contact with the sick.


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Still, witnesses say Sawyer, a 40-year-old Finance Ministry employee en route to a conference in Nigeria, was vomiting and had diarrhea aboard at least one of his flights with some 50 other passengers aboard. Ebola can be contracted from traces of feces or vomit, experts say.

Sawyer was immediately quarantined upon arrival in Lagos — a city of 21 million people — and Nigerian authorities say his fellow travelers were advised of Ebola’s symptoms and then were allowed to leave. The incubation period can be as long as 21 days, meaning anyone infected may not fall ill for several weeks.

Health officials rely on "contact tracing" — locating anyone who may have been exposed, and then anyone who may have come into contact with that person. That may prove impossible, given that other passengers journeyed on to dozens of other cities.

Patrick Sawyer had planned to come home for two of his three daughters’ birthdays next month, his wife, Decontee Sawyer, told KSTP-TV in Minnesota.

"It’s a global problem because Patrick could have easily come home with Ebola, easy," she said. The Associated Press left phone and email messages for her Monday.

International travel has made the spread of disease via airplanes almost routine. Outbreaks of measles, polio and cholera have been traced back to countries thousands of miles away. Even Ebola previously traveled the globe this way: During an outbreak in Ivory Coast in the 1990s, the virus infected a veterinarian who traveled to Switzerland, where the disease was snuffed out upon arrival and she ultimately survived, experts say.

Two American aid workers in Liberia have tested positive for the virus and are being treated there. U.S. health officials said Monday that the risk of the deadly germ spreading to the United States is remote.

The mere prospect of Ebola in Africa’s most populous nation has Nigerians on edge.

In Nigeria’s capital, Abuja, Alex Akinwale, a 35-year-old entrepreneur, said he is particularly concerned about taking the bus, which is the only affordable way to travel.

"It’s actually making me very nervous. If I had my own car, I would be safer," he said. "The doctors are on strike, and that means they are not prepared for it. For now I’m trying to be very careful."

It’s an unprecedented public health scenario: Since 1976, when the virus was first discovered, Ebola outbreaks were limited to remote corners of Congo and Uganda, far from urban centers, and stayed within the borders of a single country. This time, cases first emerged in Guinea, and before long hundreds of others were stricken in Liberia and Sierra Leone.

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