immunologically naive

immunologically naive (comparative more immunologically naive, superlative most immunologically naive)

1. Having an immune system that has never been exposed to a specific antigen.
   • 2001, Andrew T. Price-Smith, The Health of Nations, →ISBN:

     Thus, as global minimum temperatures continue to increase, the isotherm border will extend into higher latitudes and altitudes, affecting immunologically naive populations and generating increased morbidity and mortality in vulnerable regions.

   • 2013, Judah A. Denburg, Allergy and Allergic Diseases: The New Mechanisms and Therapeutics, →ISBN:

     Animal experiments show that repeated inhalation of an allergen by immunologically naive rat pups usually results in a transient low-level IgE antibody response.

   • 2013, G.W. Esch, J.C. Fernandez, A Functional Biology of Parasitism, →ISBN:

     On introduction of the parasite into immunologically naive mouse populations, the impact was dramatic (Fig. 4.9).

• immunologically naive, immunologically naïve at Google Ngram Viewer