British pharmaceutical company AstraZeneca (AZ) has developed a nasal spray flu vaccine named "FluMist." It was initially approved for medical institutions in 2003, and in October of last year ...
there is the injection or the shot. Absolutely no way for you to get the flu from that, because the flu virus is dead. It cannot cause the flu. The nasal spray is a live virus, but it's weakened ...
Scientists have been focusing more on nasal vaccines — like the flu vaccine FluMist that was ... A nasal mRNA vaccine would be taken as a spray through the nose, coating the nasal passages.