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Comparison of taxonomic compositions of gut microbiota at the level of phylum. (A) Relative abundance of phyla between two time points (respiratory positive (RP)-SARS-CoV-2 and respiratory negative (RN)-SARS-CoV-2) in 12 patients with COVID-19. (B) Relative abundance of phyla in 36 individuals as healthy controls (HCs). (C) The mean relative abundance of Firmicutes and Bacteroidetes among patients with COVID-19 and HCs.
