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A top US public health official warned on Sunday that the US was "failing" to contain the outbreak, as the daily number of new confirmed cases in the US reached a six-month high. "We really shouldn't have gotten This far, " National Institutes of Health Dean Francis Collins told ABC's This Week television program. "In that regard, yes, we failed. " The rise of the highly contagious Delta variant, the news comes in a string of bad news: the total number of new cases a day in the United States has shot up to 118,000, the highest since February, according to the Centers for Disease Control and Prevention, the average seven-day death toll jumped from 251 two weeks ago to 454 last Friday, as more young people were affected and children's hospitals in states such as Florida were "overwhelmed" . |
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中小学问题回答（家长觉得有用之处，结合自己孩子情况择优取之吧） (2008-9-19) 韬光养晦 
发表于 2021-8-10 19:02