Quote Originally Posted by Adventureless_Hero View Post
Adventureless_Hero tapped the side of his nose, knowingly. "Ah, right indeed."

Seriously thought, that is a good point to ponder. I'm not sure if we'll ever get a complete understanding of the zombie virus. What if the Haze is airborn, but once it is introduced to the host it only can be transmit via bodily fluids?
If the haze wasn't airborn I don't think we would see it lingering as a 'haze in the air'...