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Flu-Miffed: Piecing Together Clues On How FluMist Lost Its Place In The Flu-Fighting Toolbox
Kaiser Health News

What led to the abrupt fall of FluMist — the nasal spray version of influenza vaccine — which until recently was considered the preferred alternative to the injectable vaccine for younger children?

No one is quite sure, but there were hints of trouble for the past three flu seasons.

On Wednesday, an advisory panel to the Centers for Disease Control and Prevention voted that — though it continues to be important to be vaccinated against the flu — the spray version was so ineffective that it should not be used by anyone during the 2016-2017 flu season.