influenza A virus A/Singapore/INFIMH-16-0019/2016 (H3N2) antigen 158000000 UNT/ML / influenza A virus A/Slovenia/2903/2015 (H1N1) antigen 158000000 UNT/ML / influenza B virus B/Colorado/06/2017 antigen 158000000 UNT/ML / influenza B virus B/Phuket/30