Across all three influenza strains, for the comparator intramuscular vaccine GMTs ranged between 34.8 (1/ dil) and 181.0 (1/ dil), seroprotection rates ranged between 48.9% and 87.9%, seroconversion or significant increase rates ranged between 30.0% and 46.9% and GMTRs ranged between 3.04 and 5.35-fold over baseline HI titres.