{"doi":"10.1128/jvi.00333-19","title":"Development of Influenza B Universal Vaccine Candidates Using the “Mosaic” Hemagglutinin Approach","abstract":"<jats:p>This work reports a universal influenza B virus vaccination strategy based on focusing antibody responses to conserved head and stalk epitopes of the hemagglutinin. Recombinant mosaic influenza B hemagglutinin proteins and recombinant viruses have been generated as novel vaccine candidates. This vaccine strategy provided broad cross-protection in the mouse model. 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