The BioNTech/Pfizer Covid-19 vaccine appears to be significantly less effective against the virus variant that emerged in South Africa, according to a study published on Wednesday.
根据周三发布的一项研究,BioNTech/辉瑞(BioNTech/Pfizer)的新型冠状病毒肺炎(COVID-19,即2019冠状病毒病)疫苗对在南非出现的新冠病毒变种的效力明显较低。
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