可能表明疫苗对高危人群的保护不够，或者第一批打疫苗的高危人群的效果减弱

来源: viewfinder 于 2021-09-15 19:05:33 [博客] [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.