Hi folks,

imagine if there were some infected and I either released them so neutral npcs would have to kill them, or tried to sneak past them, fail and then lead them to neutral npcs. If they die does it count as me killing them? can i still get no deaths?

Cheers

http://www.pcgamer.com/2012/10/08/dishonored-how-to-get-low-chaos-no-kills-and-ghost-ratings-no-spoilers/

So I guess it doesn't count.