Instead of THE GUBBMINT being evil by LOCKING EVERYTHING DOWN in some scary QUARANTINE ZONE or the like, imagine a “got to build up zombie bite immunity” response, or one with pseudoscientific treatments, or pretty much anything so 
can feel like things are back to normal while zombies are just a thing that continues happening.
Add your own ideas if you like. 
A movie where the zombified boomer chud is the main character, and acts like a classic violent, mindless, bloodthirsty classic movie zombie, and the only change that people around him notice is that he’s slightly less awful to be around than usual.
“Dad hasn’t said something racist in like 3 whole days… Is something wrong?”
“Yeah I dunno, he didn’t even grab his gun before answering the door today.”