LogFAQs > #972354199

A cure would have been more useful when there was still society going on, but now most people are in compounds or small groups and not a lot of travel happening. If youre immune you still get torn apart by infected.

Also theres no guarantee that theyd be able to develop a cure and even then the terrorist group will have to somehow distribute it,

And in the show the disease isnt even spread through the air via spores, so a cure is even more pointless in the show.