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.
世界衛生組織(WHO)首席科學家周三預測,世界將需要四到五年時間才能控制住新型冠狀病毒肺炎(COVID-19,即2019冠狀病毒?。?。這是對未來困難的悲觀評估。
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