Metagenomic assessment of gut microbial communities and risk of severe COVID-19 – Genome Medicine

Background The gut microbiome is a critical modulator of host immunity and is linked to the immune response to respiratory viral infections. However, few studies have gone beyond describing broad compositional alterations in severe COVID-19, defined as acute respiratory or other organ failure. Methods We profiled 127 hospitalized patients with COVID-19 (n = 79 with severe COVID-19 and 48 with…

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