Table 2.
Top abundant opportunistic bacterial species in COVID-19 and Recovered patients (not detected in Healthy controls).
| Phylum | Species | Relative abundance (%) | |
|---|---|---|---|
| COVID-19 | Recovered | ||
| Firmicutes | Streptococcus salivarius | 19.13 | 0.03 |
| Firmicutes | Streptococcus mitis | 18.13 | 0.11 |
| Proteobacteria | Neisseria subflava | 13.77 | 0.06 |
| Firmicutes | Veillonella dispar | 11.03 | 0.01 |
| Proteobacteria | Acinetobacter junii | 3.31 | 1.85 |
| Firmicutes | Veillonella parvula | 2.35 | 0.05 |
| Firmicutes | Prevotella melaninogenica | 2.26 | 0.08 |
| Firmicutes | Streptococcus parasanguinis | 2.22 | 0.0 |
| Firmicutes | Streptococcus sp. LPB0220 | 1.98 | 0.02 |
| Proteobacteria | Neisseria flavescens | 1.26 | 0.0 |
| Firmicutes | Veillonella atypica | 1.10 | 0.02 |
| Proteobacteria | Pseudomonas stutzeri | 0.01 | 8.48 |
| Firmicutes | Staphylococcus capitis | 0.005 | 5.89 |
| Firmicutes | Staphylococcus epidermidis | 0.20 | 5.13 |
| Proteobacteria | Pseudomonas mendocina | 0.15 | 3.12 |
| Proteobacteria | Moraxella osloensis | 0.13 | 2.60 |
| Proteobacteria | Acinetobacter indicus | 0.05 | 2.57 |
| Proteobacteria | Escherichia coli | 0.12 | 2.41 |
| Bacteroidetes | Sphingobacterium sp. G1–14 | 0.043 | 1.96 |
| Firmicutes | Streptococcus pneumoniae | 0.005 | 1.60 |
| Proteobacteria | Ralstonia pickettii | 0.002 | 1.55 |
| Actinobacteria | Micrococcus luteus | 0.035 | 1.46 |