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Microbial community variations between STI-positive and non-STI (NC) groups. (A) Bacterial α-diversity was determined by Chao and Shannon’s indices in STI-positive and NC groups. (B) Principal component analysis (PCoA) in STI-positive and NC groups. The individual samples were color-coded in the NC group and STI-positive patients, including CT, TV, GC, TV/CT, and TV/CT/GC.
