Why the Flu Likes Winter

Researchers believe the flu virus is more stable and stays in the air longer when air is cold and dry.

read more digg story

My Comment:

I wouldn't be too concerned about whether the air is cold and dry, I would be more concerned about my vitamin D levels.

Here's a quick influenza quiz:
http://www.vitamindcouncil.com/newsletter/2007-feb.shtml

Article about Vitamin D and the flu:
http://www.vitamindcouncil.com/newsletter/2006-oct.shtml