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Proportional abundances of the 18 most prevalent taxa on the coronal sulcus of the uncircumcised penis (n = 260 [119]) and in the vagina (n = 60 [147]) of Rakai Cohort participants. Participants of each sex are ordered based on the abundance of the most prevalent taxa at that site: Prevotella on the coronal sulcus and Lactobacillus in the vagina.
