Nasal spray flu vaccine format will not be available this year September 9, 2019September 11, 2019Dr. Barry Dworkin Health Headlines Commentary for September 9, 2019 [display_podcast] Source:No nasal spray available for flu vaccine this year Related posts: Flu vaccine season begins: if not for you then to protect others 2014-15 flu shot was ineffective because the virus mutated after vaccine went into production Flu shot can reduce the risk the flu poses to asthmatics. The importance of the flu vaccine as a risk mitigator for the school environment in the land of #coronavirus flu vaccine