Definition of immunizations Immunizations

/ɪˌmjunʌzejˈʃʌnz/ - [imyunuzeyshunz] -

We found 3 definitions of immunizations from 2 different sources.

What does immunizations mean?

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Noun Plural: immunizations
immunization - the act of making immune (especially by inoculation)
		immunisation
		protection payment extorted by gangsters on threat of violence; "every store in the neighborhood had to pay him protection"
		inoculation, vaccination taking a vaccine as a precaution against contracting a disease

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immunization (Noun)
The process by which an individual is exposed to a material that is designed to prime his or her immune system against that material.
immunization (Noun)
One such exposure.

Immunization, or immunisation, is a way of preventing a person from getting a disease. This is done by making the person's body come into contact with a bit of the disease so that the body learns how to fight it. The body's ability to fight off a disease is called its immune system.

The material is known as an immunogen. Immunization is the same as inoculation and vaccination because inoculation and vaccination use an infecting agent (something that infects) in the same way that immunization does.

When the human immune system is exposed to an infection once, it can learn how to cope quickly if it is exposed to it again. By exposing an individual to an immunogen in a controlled way, the body will be able to protect itself from that infection later on in life.