妙佑医疗国际 - 群体免疫和 2019 冠状病毒病:您需要了解的信息
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截至2022年4月12日18時,美國約翰斯·霍普金斯大學統計顯示,全球累計新冠確診病例近5億,為499,748,065例。但據《柳葉刀》最新研究,在Omicron成為主要流行株前,全球總人口的43.9%者,即33.9億人,至少感染過一次新冠病毒。算上重複感染,全球感染人次超38億。
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