A Study to Evaluate the Immunogenicity and Safety of Seqirus Quadrivalent Influenza Vaccine (QIV) in a Pediatric Population 5 Through 17 Years of Age

"Seqirus QIV, inactivated, split-virion, thimerosal-free, quadrivalent influenza vaccine, administered as a 0.5 mL intramuscular dose. The vaccine is presented in a prefilled needleless syringe.~The subject's age and influenza vaccination history determines the dosing regimen (a single vaccination or a 2-vaccination regimen administered 28 days apart) according to the most recent US ACIP guidelines for seasonal influenza vaccination."

"The US-licensed Comparator QIV, inactivated, split-virion, thimerosal-free, quadrivalent influenza vaccine, administered as a 0.5 mL intramuscular dose. The vaccine is presented in a prefilled needleless syringe.~The subject's age and influenza vaccination history determines the dosing regimen (a single vaccination or a 2-vaccination regimen administered 28 days apart) according to the most recent US ACIP guidelines for seasonal influenza vaccination."