打了疫苗被感染的機率大大降低,但一旦被感染上了,死亡幾率與未打疫苗者比隻下降了28.5%?還是不好理解。
所有跟帖:
• 疫苗是靠刺激個人的免疫係統產生抗體,但對於免疫係統缺損的人效果會降低 -CollegeSt- ♂ (188 bytes) () 04/17/2021 postreply 20:14:27
• 疫苗是靠刺激個人的免疫係統產生抗體,但對於免疫係統缺損的人效果會降低 -CollegeSt- ♂ (188 bytes) () 04/17/2021 postreply 20:14:27
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