剛看了FDA原文，這藥是用於 輕症至中度 “mild-to moderate “ 沒提5天的事，更沒說重症也可用啊。

he FDA has authorized the emergency use of PAXLOVID for the treatment of mild-tomoderate COVID-19 in adults and children [12 years of age and older weighing at least 88 pounds (40 kg)] with a positive test for the virus that causes COVID-19, and who are at high risk for progression to severe COVID-19, including hospitalization or death, under an EUA.
 

來源：Paxlovid Patient FS 09262022 - FDA