Relative abundances of Bacteroides increase and of Bifidobacterium, Faecalibacterium and Roseburium decrease in SARS-CoV-2 positive subjects versus SARS-CoV-2 negative exposed controls
| Genus (±species) | Relative abundance (mean±SEM) | P value | |
| Exposed controls | SARS-CoV-2 positive | ||
| Alistipes | 0.0639±0.0095 | 0.0721±0.0100 | 0.8709 |
| Bacteroides | 0.1235±0.0178 | 0.2183±0.0191 | 0.0025 |
| Bifidobacterium | 0.0755±0.0219 | 0.0147±0.0051 | <0.0001 |
| Blautia | 0.0261±0.0040 | 0.0524±0.0088 | 0.1349 |
| Clostridium | 0.0431±0.0075 | 0.0309±0.0039 | 0.9948 |
| Collinsella | 0.0146±0.0045 | 0.0158±0.0029 | 0.9948 |
| Dorea | 0.0137±0.0024 | 0.0185±0.0022 | 0.2777 |
| Eubacterium | 0.0441±0.0063 | 0.0402±0.0043 | 0.4786 |
| Faecalibacterium | 0.0550±0.0086 | 0.0310±0.0039 | 0.0137 |
| F. prausnitzii | 0.0542±0.0085 | 0.0313±0.0039 | 0.0153 |
| Prevotella | 0.0110±0.0086 | 0.0091±0.0066 | 0.6538 |
| Roseburium | 0.0329±0.0056 | 0.0195±0.0032 | 0.0097 |
| Ruminococcus | 0.0376±0.0079 | 0.0391±0.0056 | 0.9844 |
Mean±SEM relative abundances, as well as p value via Mann-Whitney U test are indicated, with bold marking p<0.05.