has function has role has component immunizes against disease immunizes recipient immunizes against pathogen has drug brand name influenza Influenza A virus Betainfluenzavirus Homo sapiens vaccine FDA licensed vaccine role influenza A virus A/California/7/2009 (H1N1) antigen USA licensed human vaccine preventive vaccine function influenza A virus A/Switzerland/9715293/2013 (H3N2) antigen FLUAD 2015-2016 vaccine Kallan Roan http://purl.bioontology.org/ontology/RXNORM/1724002 Oliver He TUI: T116, T121 CUI: C4060062 vaccine RXAUI: 7710863 influenza B virus B/Brisbane/9/2014 antigen Fluad vaccine FLUAD 2015-2016