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Continue to Chat科普:變異新冠病毒是原始病毒的「升級版」嗎 https://will-news.info/2020/12/22/%e7%a7%91%e6%99%ae%ef%bc%9a%e8%ae%8a%e7%95%b0%e6%96%b0%e5%86%a0%e7%97%85%e6%af%92%e6%98%af%e5%8e%9f%e5%a7%8b%e7%97%85%e6%af%92%e7%9a%84%e3%80%8c%e5%8d%87%e7%b4%9a%e7%89%88%e3%80%8d%e5%97%8e/