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New fears about Ebola spread after plane scare

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

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."

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In this photo taken on Sunday, July 27, Medical personnel inside a clinic taking care of Ebola patients in the Kenema District on the outskirts of Kenema, Sierra Leone.

(AP)

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