意大利一個小區在兩個月內實現群體免疫,這個是事實。
回答: 群體免疫是個漫長的過程,不要說重症會搞垮醫療係統。目前全民測試也還做不到,做到也需要遠超過2個月的時間。Heard immuni
由 Timshel
於 2020-04-13 10:24:53
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