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active immunity

American  

noun

Immunology.
  1. immunity in an organism resulting from its own production of antibody or lymphocytes.


active immunity Scientific  
  1. See under acquired immunity


Etymology

Origin of active immunity

First recorded in 1910–15

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Antibodies produced in the mother’s body are passed to the infant via active immunity through breast milk.

From Textbooks • Jun. 9, 2022

Artificially acquired active immunity involves the use of vaccines.

From Textbooks • Jun. 19, 2013

Naturally acquired active immunity, the response to a pathogen, is the focus of this chapter.

From Textbooks • Jun. 19, 2013

Question is whether polio antibodies, inherited from the mother and conferring "passive immunity" for a few months, will interfere with the child's developing its own antibodies for lasting "active immunity."

From Time Magazine Archive

Variations in chemiotaxis towards different organisms probably depend in natural conditions, as well as in active immunity, upon the opsonic content of the serum.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" by Various