https://blog.wongcw.com/2022/07/20/%e5%a5%a7%e5%af%86%e5%85%8b%e6%88%8e%e6%af%92%e6%a0%aa%e4%ba%9e%e5%9e%8bba-5%e5%9c%a8%e7%be%8e%e5%9c%8b%e5%bc%95%e7%99%bc%e6%84%9f%e6%9f%93%e9%ab%98%e5%b3%b0%e4%bd%94%e8%a9%b2%e5%9c%8b%e6%96%b0/
奧密克戎毒株亞型BA.5在美國引發感染高峰佔該國新確診病例的78%