Flu season has arrived. Have you received your shot yet? Have your children received their shots yet? If not, what are you waiting for? "Getting influenza is no fun," said Dr. Peter Liber of Wheaton Pediatrics. "An adult will miss a week of work. A child will miss a week of school." For those wondering whether or not a flu shot is recommended for them, listen up. The Centers for Disease Control and Prevention has simplified things. Its recommendation: Everyone over 6 months of age should get a flu vaccine. Got that? Everyone.