CV and mad panic behaviour

[LP]

And, for a considered assessment:

Yes, in the context that 96.2% sounds small but in evolutionary terms it is hugely different, more difference than exists between a human and a cheetah,

The main driver is that at some recent time SARS-CoV-2 it became zoonotic, and the most likely mechanism is wet markets as has been the case with any number of recent novel virus. They detect many but of course most are not harmful, it's the right combination of features that turn them deadly.