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GENEVA (Reuters) - World Health Organization (WHO) guidance on travel during the pandemic could change over time as it tries to ensure economies don't become entirely isolated, WHO emergency chief Mike Ryan said on Friday.
"It is very difficult to legislate risk management at a global level that covers all kind of travel because circumstances change," he told a virtual briefing in Geneva.
(Reporting by Stephanie Nebehay and Emma Farge in Geneva and Michael Shields in Zurich; Writing by Nick Macfie; editing by Louise Heavens)
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