mRNA Covid-19疫苗效果好于自然免疫效果，全因死亡率和住院率低37%，到急诊室的概率低24%。

来源: JustWorld 于 2023-10-03 19:02:46 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.