The American Academy of Pediatrics issued a statement Tuesday urging parents to vaccinate all children over the age of six months this flu season. However, they specify that the injectable vaccine is more effective. The AAP cites a Centers for Disease Control and Prevention recommendation that says the nasal spray doesn't protect against the influenza strains that have been the most prominent in the last three years. David Kimberlin, M.D., Pediatric Infectious Disease, was consulted as an expert on this issue. Click here to read more.