Tamiflu inhibits neuraminidase, keeping the flu virus from replicating and spreading to other cells in the body; therefore it's effective at reducing the gravity of infection and shortening the course of disease.
「克流感」的作用在抑制神經胺酸酵素，阻止流感病毒在體內複製、感染其他細胞，因此可以有效降低感染的嚴重程度，縮短病程。