been a while since I made bandages, but I think that they should either require 1 water and a fire/hotplate/etc to boil the rags in mid recipe. OR have boiled rags be a separate ingredient. imagine if you will, in RL:
You kill a zombie. you loot the zombie. you cut the looted T-shirt into rags. you use those filthy, disgusting, diseased rags to make bandages. you use those bandages on a bleeding wound. you get infected with who knows what, you die…
EDIT: I suppose that bleach or alcohol could also be used, but I can think of better used for each.