WASHINGTON – A new formulation of a nasal spray flu vaccine that can be stored refrigerated instead of frozen has won federal approval, its manufacturer said Monday.
The new version of FluMist should allow for expanded use of the vaccine in places such as schools, pharmacies and grocery stores, where the requirement that the original version of the vaccine be kept frozen presented difficulties, according to its manufacturer, MedImmune Inc.
MedImmune said the new formulation should be available in August.
FluMist is approved for healthy people ages 5 to 49, though the company seeks expanded approval for use in children as young as 1 as long as they don’t have a history of wheezing or asthma.
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