一個懂行的朋友說PCR國際標準是轉35圈，而國內是40圈，檢出病毒量極低的陽性，假陽性。

來源: purple123 於 2023-01-03 19:15:54 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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