She said that at the on-going World Health Assembly, Member States had asked that WHO reflect criteria other than geographical spread before moving to Phase 6.
在正在举行的世界卫生大会上，她表示会员国已经要求世卫组织在转到第6级别前考虑到地域传播之外的标准。
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"Phase six means that we are seeing continued spread of the virus to countries outside of one region," said Keiji Fukuda.
第6级警戒级别是指，我们认为病毒在一个地区之外的国家蔓延。
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The third phase, to test whether the vaccine prevents real infection, has not yet been carried out, as there has been no massive spread of H5N1 influenza in people.