This medication is a vaccine against influenza (flu) virus. It is also called the seasonal flu vaccine. The vaccine works by helping the body produce immunity (protection) that will prevent you from getting the flu or lessen the seriousness of the infection. As with any vaccine, it may not... This form of the vaccine is given through the nose and is recommended for healthy children and adults. It is not recommended for people with a history of severe asthma or active wheezing. Consult your health care professional for more details. View More Info

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