the major concern is the effectiveness of the vaccine: the abili

回答: The latest information on COVID-19 vaccines忒绿2020-12-06 17:44:00

specific antibody and how long will the antiboyd last and how well human body will memoerize it. Hope the mRNA or inactive vaccine could work well.

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to me : safety is #1 -移花接木- 给 移花接木 发送悄悄话 移花接木 的博客首页 (0 bytes) () 12/07/2020 postreply 04:54:43

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