16S rRNA gene sequencing of rectal swab in patients affected by COVID-19.

PLoS One · 2021 · PMC7888592 · PMID 33596245

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may not be significantno p-value reported

Furthermore, the antibiotic treatment for ICU patients could have affected the microbiota profile, but the antibiotic therapy was administered a few days after the hospitalization in ICU, so could be assumed that this effect may not be significant.

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