Only injectable flu vaccines (given as a shot) are recommended by the Centers for Disease Control (CDC) and the American Academy of Pediatrics (AAP) this flu season. The nasal spray flu vaccine (trade name FluMist®) is not recommended this season because of concerns that it may not work well. For example, CDC found it offered no protection against flu for children 2 through 17 years of age last season. A flu shot is recommended for everyone 6 months of age and older this season.