Pediatricians Dr. Tanya Altmann (author of Mommy Calls: Dr. Tanya Answers Parents’ Top 101 Questions About Babies and Toddlers), Dr. Scott Cohen (author of Eat, Sleep, Poop: A Common Sense Guide to Your Baby's First Year), and Dr. Bob Sears (author of The Vaccine Book: Making the Right Decision for Your Child) discuss the effectiveness of flu shots and whether they're safe for children.