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Image: Ngram acquired immunity vs. adaptive immunity

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Description: using Google Ngram tool . The peak of use of "adaptive immunity" in the 1960's represents the work of Robert Good and colleagues; the exponential growth in the 1990's is tightly correlated with the use of phrase "innate immunity".
Title: Ngram acquired immunity vs. adaptive immunity
Credit: Own work
Author: John R Rodgers
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes

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