I also am careful to wash my hands as soon as I walk in the door, (teach your kids to wash their hands multiple times a day, too) avoid touching my eyes/nose/mouth, and always use the cart wipes on my cart when I go to The Target. (or The Walmart, but I don???t like thinking about going to that yucky place) Here???s a link to a great article about why probiotics are a good idea, especially if you?