Most of the infections in Europe and Asia were "travel-related cases," which means the virus has not taken root there, said Feiji Fukuda, the WHO's director for health security and environment.

欧洲和亚洲发生的病例主要都是“与旅行有关的病例”，即说明病毒并未扎根于这些地区，世界卫生组织卫生安全与环境部长Feiji Fukuda表示。

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