this may be the answer:

來源: street0120003 於 2021-04-30 17:48:56 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (489 bytes)

回答: all the vaccines are not FDA approved but just EUA, 審批過程有什麽不同？由 Wendy2014 於 2021-04-30 15:28:21

What's the difference between Emergency Use Authorization and FDA approval?

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