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Universal Flu Vaccine

The flu shot is kind of a crapshoot. Scientists create vaccines based on the flu strains they know exist, but there’s always a chance something newer will mutate. Georgia State University researcher Sang-Moo Kang is testing a universal flu vaccine so new shots won’t have to be developed all the time. The goal: protect against unexpected strains.

This article originally appeared in our November 2013 issue.