疫苗接種意願不夠高 專家：美恐無法群體免疫
發布時間：2021/05/04 10:07:30
更新時間：2021/05/04 10:07:30
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美國雖然仍是全球累計確診和死亡病例最多的國家，但隨著新冠疫苗開打，最近疫情大幅降溫，單日新增病例更是半年多來，首度降到5萬人以下，各地逐步解封。但現在有專家警告，美國恐無法達到7成人口接種，也就是說永遠無法達到群體免疫。
（民視新聞網／綜合報導）
美國雖然仍是全球累計確診和死亡病例最多的國家，但隨著新冠疫苗開打，最近疫情大幅降溫，單日新增病例更是半年多來，首度降到5萬人以下，各地逐步解封。但現在有專家警告，美國恐無法達到7成人口接種，也就是說永遠無法達到群體免疫。
（民視新聞網／綜合報導）
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