Beta variant
专有名词
英文释义
专有名词
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The highly virulent B.1.351 strain of the SARS-CoV-2 virus that causes COVID-19.
— Studies in Qatar, where the Beta variant once accounted for half of all infections, have found that two doses of the Pfizer vaccine are 72 to 75 percent effective at preventing infection with Beta, a lower degree of protection than the shots provide against other variants.
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数据来源: Wiktionary