Used to be you'd break your mother's back if you stepped on a crack.

Now you KILL somebody's GRANDMOTHER if you go anywhere in public without the jab.

'Cept now you can still spread it anyway. So just never go anywhere unless you like murdering sweet little old ladies.

Also, in blue areas now, if you step on a squatter's vile of crack, you slip and fall into their sidewalk feces and go splat.