https://blog.wongcw.com/2022/07/27/%e7%a0%94%e7%a9%b6%e4%ba%ba%e5%93%a1%e9%96%8b%e7%99%bc%e5%8f%af%e7%a9%bf%e6%88%b4%e7%b3%bb%e7%b5%b1%e5%8f%af%e5%9c%a8%e7%97%87%e7%8b%80%e5%87%ba%e7%8f%be%e5%89%8d%e5%85%a9%e5%a4%a9%e6%aa%a2%e6%b8%ac/
研究人員開發可穿戴系統可在症狀出現前兩天檢測出COVID