>>717081350Its even funnier, really.
They're being absolutely crushed on every front. So, have fewer and fewer resources to produce the "vaccine" even if their veternarian cum brain surgeon could actually figure out what to do to make a anti-fungal vaccine.
Of course, everyone in that universe is pretty retarded. There're probably a lot more immune individuals, because people like Joel are constantly dragging spores into the safe zones by going out, scavenging, and doing nothing to decontaminate when they come back in.
Many of those who were being rounded up and testing positive in the opening could well have been immune.