Contagious Vents

This is a game where you are tasked with placing vents in a building to allow fresh air to get in. Why? Because someone has caught a contagious disease which can kill, so to remove the virus, you must allow the fresh air in as the disease hates the fresh air. Just don't let anywhere else in the building get too much of the germs... Made for DTJ 36 #6, with the theme "Contagious". (i was given 36 …