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Inactivated vaccine

A vaccine made from viruses and bacteria that have been killed through physical or chemical processes. These killed organisms cannot cause disease.


When someone receives a vaccine and mounts an immune response to protect against a disease.

Immune system

The complex system in the body responsible for fighting disease. Its primary function is to identify foreign substances in the body (bacteria, viruses, fungi or parasites) and develop a defense against them. This defense is known as the immune response.

Immune globulin

A protein found in the blood that fights infection. Also known as gamma globulin.

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