On Apr. 23, 2018, Medigen Vaccine Biologics and GC Pharma entered an exclusive distribution agreement for GCC’s quadrivalent influenza vaccine, GC Flu Quadrivalent, in Taiwan.

GCFlu Quadrivalent was first licensed by South Korean Authority in 2015. It was the second World Health Organization (WHO) prequalified seasonal influenza vaccine to cover against four influenza strains.