Each year when influenza season arrives, experts worry that the flu vaccine won’t match the currently circulating strains of the virus. The results of an early-stage trial suggest that may become a thing of the past in the not-too-distant future. Researchers found in the Phase 1 trial that a universal flu vaccine, one designed to protect against all strains of the flu, sparked a strong immune response while producing no more side effects than the current seasonal flu vaccines, according to a report published Monday in Nature Medicine.

 

 

Credit CDC

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