The nasal spray FluMist is made by AstraZeneca. Several other countries, like Canada and the United Kingdom, have already endorsed the use of the nasal spray over the shot for the flu vaccine.
The nasal spray uses trivalent live attenuated vaccine as opposed to inactivated influenza vaccine, according to the report. Four studies have shown fewer flu cases among children who receive the LAIV rather than the inactivated flu vaccine.
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