Experts area saying the needle-free FluMist influenza vaccine has not protected against flu for years and should not be used this coming flu season, NBC News reported.
The decision could nerve pediatricians short of vaccine, the Centers for Disease Control and Prevention said.
According to the Advisory Committee on Immunization Practices, data reviewed from past flu seasons revealed it didn’t work in recent years. The CDC said it was only 3 percent effective last flu season.
FluMist uses live but weakened strains of the flu virus to stimulate immune systems, and is sprayed up the nose.