The growing concern this week about the spread of the swine flu has left a lot of people wondering what they can do to avoid contracting the virus. The threat really isn’t what is in your home, but what you might bring into your home from the outside, particularly in light of the fact infected people may infect others before they even realize they are sick.

When you think about something being clean, what comes to mind? Is it the scent of lemon cleaners or the more chemical smell of bleach? Or maybe it’s a dust-free coffee table or a shiny kitchen floor.