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據生物學著作預印本資料庫平台 bioRxiv 實驗室發布一項中和抗體類別的新研究顯示，紐約大學科學家發現，嬌生的疫苗針對 Delta 變種病毒的抗體水準只有最初新冠肺炎產生抗體水準的五倍低。
美國疾病管制與預防中心主任 Rochelle Walensky 周二在參議院的聽證會上表示， Delta 變種病毒目前已占美國病毒基因定序病例的 83%。紐約大學研究表示，輝瑞、Moderna 這類雙劑量 mRNA 疫苗對 Delta 病毒產生的抗體也減少，不過減少幅度較和緩。
紐約大學研究人員在報告中表示，與兩劑的 mRNA 疫苗相比，單劑嬌生疫苗對變種病毒的抗體更明顯減少，可能會減少該疫苗的保護效力。嬌生表示，該研究只關注保護力的面向，並未考慮受疫苗刺激的免疫細胞長期反應。
嬌生發言人 Jake Sargent 說道，不能用這些數據以偏概全說明疫苗的完整保護效力，
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Katherine Ellen Foley is an FDA reporter for POLITICO. Previously, she focused on health and medical research for Quartz, where she was a leading voice during the Covid-19 pandemic, in addition to covering a range of topics including neurodegenerative disease, precision genetic medicine, fertility science and e-cigarettes.
Katherine graduated from Georgetown University’s School of Foreign Service in 2014, and earned her master’s degree in journalism from New York University’s Science, Health, and Environmental Reporting Program. Outside of work, she co-leads the D.C. chapter of November Project, a free fitness community, and is an ultra-marathoner.
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14 June 2018
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