It's the real world out there! Once baby leaves the womb, the infant has to deal with the threat of contracting everything from the swine flu to whooping cough. The thought of germs getting to the precious babe can have new parents pulling out medical masks and sizing up visitors. But infants love affection, so it's just a matter of time until the wee one is held by friends and family members. What precaution do you think parents should take to keep their kiddo healthy?