The new coronavirus variant linked to a surge in Covid-19 cases in South Africa is not only more infectious than previous forms of the virus but could make some vaccines less effective.
與南非新型冠狀病毒肺炎(COVID-19,即2019冠狀病毒病)病例激增有關的新冠病毒新變種不只比原先的病毒更具傳染性,而且還可能讓一些疫苗的效果減弱。
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