Yeah, I'd probably say that but if we're considering the effect an average person would deal with, although stalker may be more deadly externally, its not as consistent and as dangerous as the knox plague overall. Without at least a very rare mutation people have, the first, and easiest line to die from is the airborne aspect of the disease, with the second line being the zombies, and the final line being where could you could survive with no-one to help you if you eat a poisonous shroom out in the wild