是不是也可以这么说， 疫苗对其他毒株还是有效的， 不然， 就会是δ加上其他， 感染的人更多
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
