Abstract
FluMist is the first live attenuated, cold-adapted intranasal influenza vaccine (LAIV) approved for the prevention of influenza A and B. Clinical trials have shown that annual vaccination with LAIV is effective for the prevention of influenza. LAIV appears well tolerated in healthy patients 5-49 years of age. The most common adverse events are abdominal pain, chills, cough, diarrhea, headache, irritability, lethargy, muscle aches, otitis media, rhinitis, sinusitis, sore throat, and vomiting. FluMist has a novel intranasal route of administration that allows for influenza prevention without a painful intramuscular injection. Barriers preventing acceptance of LAIV include defining the appropriate patient population, cost, and insurance coverage.
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