Nature: How the coronavirus infects cells--and why Delta is so dangerous

[intrepidity]

6. If you throw enough spaghetti at the wall,

eventually *something* is gonna stick.

That's viral natural selection, in a nutshell

The key to defense is not allowing *any* spaghetti to be tossed at the wall. But that requires serious efforts to prevent infections and thus opportunities for the virus to mutate.