Microbiome(10) SARS-COV-2 infection(9) examined(7) Alpha(7) Bacterial(7) microbial(7) Sequencing(7) collected(7) rRNA(7) elevated(6) SARS-CoV-2 viral load(5) Hospitalization(5) lung(5) gut microbiota(5) Altered(5) association(5) Human(5) COVID-19 patient(5) clinical microbiology(5) investigated(4) disease(4) baseline(4) microbe(4) maintenance(4) microbes(4) Sex(4) Patient(4) healthy individual(4) Gut(4) healthy individuals(4)