AstraZeneca PLC's FluMist (live attenuated influenza vaccine, LAIV) faces hurdles in winning back the endorsement of a Centers for Disease Control and Prevention advisory panel. But although it may take years to get the necessary vaccine effectiveness data, the company says it is committed to the product.
At its Feb. 22 meeting, CDC's Advisory Committee on Immunization Practices (ACIP) discussed whether data expected in the next couple...