Experimental vaccine protects against many flu viruses

Ferrets that receive shot can fight off variety of influenza strains

By Tina Hesman Saey, 12:30 PM May 22, 2013

A catchall flu shot is a step closer to reality. Researchers report May 22 in Nature that they have engineered a vaccine that immunizes mice and ferrets against decades’ worth of influenza viruses. They say it could protect people for several years — and from many different flu viruses — without having to be reformulated and delivered annually the way current flu vaccines are.

Researchers from the National Institutes of Health have engineered a nanoparticle vaccine that shields lab animals...

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