Originally Posted by CreeplyTuna
Don't forget Vitamin C and your Omega 3s.
And, keep your hands reasonably clean after forays out of the house and don't rub your eyes. Most adults don't generally lick shopping carts or door handles, and many aren't in the habit of sucking their fingers. I'd bet that more "ick" is spread among adults by rubbing their eyes than any other mode of transmission.