但是實際情況表明,在幾個注射疫苗地區的研究發現,疫苗對新冠有症狀確診的保護率在95%左右,對無症狀感染的保護率大約在80%的水平。
但是實際情況表明,在幾個注射疫苗地區的研究發現,疫苗對新冠有症狀確診的保護率在95%左右,對無症狀感染的保護率大約在80%的水平。
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