Be Vigilant of Surfaces
This is as much a mindfulness exercise as anything else. Be aware of what public surfaces you touch, when you've shaken hands with someone, or when you're using something like a pen that others have recently used--and don't touch your face until you've had a chance to wash your hands.
Read more at http://www.beliefnet.com/Wellness/Health/2009/04/Swine-Flu-Prevention-Tips.aspx?p=8#LhiKQ5SBHFpBmpTo.99