Infectious particles or germs floating in the air; air made noxious by the presence of such particles or germs; noxious effluvia; malaria.

My soul left my body, bolting toward the ceiling and burrowing in the corner up there.

My cold body  lay on the bed thinking "just stay still until it comes back. We want to be exactly where the soul left us or it will get lost and enter the desk or the table."

My soul was a naked beast — armless, legless, headless — consumed by a panic both directionless and incoherent.

I knew it would return, and it did. Souls are lost without vessels in which to travel, even inferior vessels like mine.