The popular, needle-free FluMist influenza vaccine has not protected kids or adults against flu for years and should not be used this coming flu season, experts said Wednesday.

The surprise decision, sure to dismay children and needle-phobes, could also leave pediatricians short of vaccine, the Centers for Disease Control and Prevention said.

http://www.nbcnews.com/health/health-news/flumist-nose-spray-vaccine-doesn-t-work-experts-say-n597411