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immunization

The process of making a person protected against a disease, most often by giving a vaccine.

im-yoo-nih-ZAY-shun noun

Word parts

immun/o immune, protection-ization process of making

What it means

Building immunity on purpose. Active immunization uses a vaccinevak-SEENA product that trains the immune system to protect the body against a specific disease.Full entry so the body makes its own antibodyAN-tih-bod-eeA Y-shaped protein made by the immune system that sticks to one specific germ or foreign substance and marks it for destruction.anti- againstbody Full entry and memory cells. Passive immunization gives ready-made antibodies, such as immune globulin, for short-term protection. Schedules for children and adults are set by the CDC.

For the nurse

Check the record and the CDC schedule, ask about allergies and past reactions, and screen for reasons to delay (such as a live vaccine in pregnancy or a weak immune system). Watch for allergic reactions after the dose and record the lot number, site and date.

At a glance

Spanishinmunización, vacunación
Also writtenimmunizations, immunize, immunized

Related terms

vaccine

A product that trains the immune system to protect the body against a specific disease.

immune system

The body's defense system of cells, tissues and organs that fights germs and other foreign substances.

antibody

A Y-shaped protein made by the immune system that sticks to one specific germ or foreign substance and marks it for destruction.

immun/o

A word root that means immune, or protection from disease.

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