https://blog.wongcw.com/2022/08/05/%e7%be%8ecdc%ef%bc%9a%e5%8f%97ba-5%e4%ba%9e%e5%9e%8b%e5%82%b3%e6%92%ad%e5%bd%b1%e9%9f%bfcovid%e7%9a%84%e6%96%b0%e4%bd%8f%e9%99%a2%e4%ba%ba%e6%95%b8%e8%87%aa4%e6%9c%88%e4%bb%a5%e4%be%86%e7%bf%bb/
美CDC:受BA.5亞型傳播影響COVID的新住院人數自4月以來翻了兩番