The SARS virus is by no means difficult to kill. But why, then, is the case-fatality rate of the disease as high as 10-20 %, fully 100 times more than the average influenza with a rate of 1 in 1000?
SARS 病毒並不難殲滅，然則為何病發者的死亡率可以高達百分之十至二十，比一般流感的千分之一足足高出一百倍？