https://blog.wongcw.com/2019/01/06/%e6%95%91%e8%ad%b7%e8%bb%8a%e6%b0%a7%e6%b0%a3%e7%93%b6%e4%b9%9f%e5%8f%af%e8%83%bd%e5%8f%97%e8%b6%85%e7%b4%9a%e7%b4%b0%e8%8f%8c%e6%b1%a1%e6%9f%93/
救護車氧氣瓶也可能受“超級細菌”污染