High-Dose Flu Vax Protects Seniors Better

August 13, 2014 9:01 PM

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A high-dose influenza vaccine confers increased protection against disease among people 65 and older, researchers reported.

In a randomized trial, a trivalent vaccine containing four times the usual amount of the flu antigen hemagglutinin had a relative efficacy of 24.2% compared with the standard medication, according to Carlos DiazGranados, MD, of Sanofi Pasteur in Swiftwater, Pa., and colleagues. The company supported...

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