forget the icecream, just swish with the brandy or other adult beverage one ounce every hour on the hour! :P
The most important thing is DO NOT TOUCH YOUR EYES WITH YOUR HANDS UNLESS YOU HAVE THOROUGLY WASHED THEM. Your eyes have no mechanism to ward of viruses and is an easy gateway for infection.
Dr. Isadore says to cough into your elbow... which makes the most sense!
Just crush a few Habareno peppers every day with your bare hands then if you forget about all these precautions you will be reminded brutally!