Isn't this going to be fun for everyone?
Fending off loved ones who vaxxed up and shooting them in the head. If you have a gun. That's the first danger. Then the zombies in public, as they move about, coalesce into groups, seeking living blood. Only a dead brain stops them. And they won't go down so easy like in the movies. These things cannot feel pain.
I can't even wrap my mind around the diseases these things are going to carry we have never heard of. And what happens when trigger happy fuds start popping everything they see, no longer caring or willing to discern the -- at first -- subtle differences in onset symptoms.
The 2nd video tagged onto the first, is simple drug related possession. The demon is trying to get the lad to kill himself so he cannot be saved and will join them in the pit.
Days of Noah.