https://blog.wongcw.com/2021/04/09/%e7%91%9e%e5%85%b8%e7%a0%94%e7%a9%b6%e7%a8%b1%e5%8d%81%e5%88%86%e4%b9%8b%e4%b8%80%e7%9a%84covid-19%e8%bc%95%e7%97%87%e6%82%a3%e8%80%85%e5%9c%a88%e5%80%8b%e6%9c%88%e5%be%8c%e4%bb%8d%e6%9c%89%e9%95%b7/
瑞典研究稱十分之一的COVID-19輕症患者在8個月後仍有長期症狀