preferred_name: influenza A virus A/Singapore/INFIMH-16-0019/2016 (H3N2) antigen / influenza A virus A/Slovenia/2903/2015 (H1N1) antigen / influenza B virus B/Colorado/06/2017 antigen / influenza B virus B/Phuket/3073/2013 antigen Nasal Spray [Flumist Quadrivalent 2018-2019]