I meant how radiation could turn a human into basically a zombie, and not kill them.
Well, that's just silly. :spotted owl:
I thought they were immune to mFEV but not pure FEV-1/2? Which was what caused their minds to be corrupted, a partial immunity to pure FEV because of the immunity to mFEV.
Well, the mFEV has already mutated them, so, in a sense, they were immune, but more akin to getting chickenpox while young so you don't get it when your old.