What is the flu vaccine and how is it created?

all i know is thats there different vaccines.. Product NameTrade Name

Influenza VaccineAFLURIA QUADRIVALENT

Influenza VaccineFlucelvax 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? :)

its mg hope this