influenza A virus A/North Carolina/04/2016 (H3N2) antigen 0.03 MG/ML / influenza A virus A/Singapore/GP1908/2015 (H1N1) antigen 0.03 MG/ML / influenza B virus B/Iowa/06/2017 antigen 0.03 MG/ML / influenza B virus B/Singapore/INFTT-16-0610/2016 antige