Flu: mist
While the traditional flu shot is made from killed flu viruses, FluMist is made from weakened live viruses. The weakened live virus reproduces inside the person's nose and produces viruses that the immune system learns to attack.
Providers
While the traditional flu shot is made from killed flu viruses, FluMist is made from weakened live viruses. The weakened live virus reproduces inside the person's nose and produces viruses that the immune system learns to attack.
Providers