应该还有效。不过，一般情况下五天后病情要么好转要么恶化，前者没必要用药，后者可能也晚了

根据耶鲁医学说法：

Like all antivirals, Paxlovid works best early in the course of an illness—in this case, within the first five days of symptom onset, says Jeffrey Topal, MD, a Yale Medicine infectious diseases specialist who is involved in determining COVID-19 treatment protocols for Yale New Haven Hospital patients.

“Once you’ve been ill with the virus for more than a week, the damage done to the body in a severe case can’t be undone by the antiviral,” he says.

所有跟帖： 

• 这篇我也看了，是看了后有怀疑上的贴。对已经造成的损害是没办法，但可以减小新复制病毒带来的损害。现在 -欲千北- ♂ (114 bytes) () 12/23/2022 postreply 14:26:02

• 对那些免疫功能低下的患者，似乎应该延长使用期限。 -吃与活- ♂ (0 bytes) () 12/23/2022 postreply 15:50:20