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Only subtype B infections are included. Mean genetic distances of HIV protease and reverse transcriptase gene sequences from the TTIMS program according to donor demographic and donation characteristics from 2015–2020. Violin plots and results of the Kruskal-Wallis (KW) 1-way analysis of variance test show significant differences in genetic diversity by race/ethnicity, age, and donation year. (A) Census region, (B) age group, (C) race/ethnicity, (D) donation year.
