GlaxoSmithKline recalls 1.7 million flu vaccines because they can lose potency over time

April 17, 2015 5:24 PM

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WASHINGTON (AP) — GlaxoSmithKline is recalling a popular four-in-one flu vaccine distributed throughout the U.S. because its effectiveness can decline over time.

The company alerted customers Tuesday that the vaccine can lose potency and fail to adequately protect against some flu strains. The Flulaval Quadrivalent Thimerosal-free vaccine in prefilled syringes is designed to protect against four strains of influenza virus. But Glaxo said it "cannot rule out ...

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