It will be four or five years before Covid-19 is under control, the World Health Organization’s chief scientist predicted on Wednesday, in a bleak assessment of the difficulties that lie ahead.
世界卫生组织(WHO)首席科学家周三预测,世界将需要四到五年时间才能控制住新型冠状病毒肺炎(COVID-19,即2019冠状病毒病)。这是对未来困难的悲观评估。
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