好像瑞典不隔離,不戴口罩,現在已經達到群體免疫了。
• 就是要比較不同的策略,以色列的整體數據表明打疫苗並不是最好的策略。 -solo1- ♂ (0 bytes) () 03/11/2021 postreply 09:49:56
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy