The US does not have enough Covid-19 tests to cope with the spike in demand triggered by the Omicron wave, Joe Biden acknowledged on Monday, as the country’s case rate climbs towards last winter’s peak.
美国总统乔·拜登周一承认,美国没有足够的新冠检测试剂盒来应对由Omicron感染潮引发的需求激增,美国的病例率正在向去年冬季的峰值攀升。
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