疫苗对预防感染,很有效,对预防重症,也有效。
所以,接种率是关键
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预防重症有效,预防感染有限。这是比利时政府公共卫生机构自己承认的。我有全部数据
-咪呜-
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11/16/2021 postreply
11:33:06
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最后一针过了6个月的疫苗呢?预防重症和感染还有效吗?
-香草仙子-
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11/16/2021 postreply
11:37:48
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