初期由病毒感染所致。恢複期後仍有不完整病毒殘留在細胞內，不會有明顯症狀。想證明活病毒，必須展示其增殖能力和傳染性。

來源: fuz 於 2022-04-19 06:20:25 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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