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Relative abundances of the top five most abundant bacterial phyla in the salivary (A) and nasopharyngeal (B) microbial communities of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2)‐positive subjects and SARS‐CoV‐2‐negative controls. Statistical significance was assessed using Mann–Whitney U test and analysis was adjusted for multiple comparisons using the Benjamini–Hochberg method. *p < 0.05; **p < 0.01.
