Put some plush microbe dolls in the room. Give germs a little friendly spin! They're cute, and they're your friends!
ThinkGeek :: Giant Plush Microbes
Diarrhea:
ThinkGeek :: Giant Plush Microbes
Diarrhea:
(I couldn't find a 'pot stirrer' smilie)

....I don't have to worry about washing comforters. Mine just get burned or stolen and voila....a new one arrives! 