FDA APPROVES DIY FLU Nasal VACCINE Revolution| FluMist Nasal Spray]br “FluMist is great for people who want a needle-free, convenient option, but it’s not suitable for everyone. High-risk groups, such as the elderly or those with weakened immune systems, should opt for other flu vaccines, as FluMist contains live virus particles, which could pose a risk for these individuals.”br “mRNA vaccines provide a highly adaptable and potentially more potent immune response, making them ideal for high-risk groups. FluMist, on the other hand, offers convenience and is an excellent choice for healthy individuals between the ages of 2 and 49 who are looking for a needle-free option.