What is a Flu Vaccine?

Vaccination is the process of protecting yourself against disease.

A person receiving a vaccine is injected with a small part of the infectious germ that is dead, or that has been weakened so that it cannot infect you. The immune system will then generate the necessary antibodies to fight the infection. Afterwards, the antibodies will remember the germ and can eliminate it following any future exposure to the same germ.
A flu vaccine contains only a small part of the influenza virus so you cannot get infected or become a carrier of the disease through receiving the vaccination.

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