Answer:
all i know is thats there different vaccines.. Product Name Trade Name
Influenza Vaccine AFLURIA QUADRIVALENT
Influenza Vaccine Flucelvax Quadrivalent
Influenza Virus Vaccine (Trivalent, Types A and B) Afluria
Influenza Virus Vaccine (Trivalent, Types A and B) FluLaval
Explanation:
Influenza vaccines, also known as flu shots or flu jabs, are vaccines that protect against infection by influenza viruses. A new version of the vaccine is developed twice a year, as the influenza virus rapidly changes.
hope this helped a bit? :)