naive(redirected from naïfness)
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not previously exposed to therapy or treatment.
naïve(nī-ēv′, nä-) also
Not having experienced or been subjected to something, as:
a. Not previously subjected to experiments: testing naive mice.
b. Not having previously taken or received a particular drug: patients naive to antipsychotic medication.
Vox populi Innocent, unsophisticated, artless, ingenuous, unworldly, trusting
in immunology, an individual that has not been exposed to a particular antigen.