Table 2.
Bacterial microorganism(s) identified in severe COVID-19 pneumonia
| Microorganism, n | Early Bacterial Coinfection† |
|---|---|
| Gram-positive cocci | 12 |
| Staphylococcus aureus | 11 |
| MSSA | 9 |
| MRSAa | 2 |
| Streptococcus pneumoniae | 1 |
| Enterococcus sp. | 0 |
| Gram-negative bacilli | 13 |
| Enterobacteriaceae | |
| E. coli | 2 |
| Klebsiella spp. | 2 |
| Enterobacter, Citrobacter, Hafnia spp. | 4 |
| Serratia | 0 |
| Non-fermenting GNB | |
| Pseudomonas spp. | 2 |
| Others | 0 |
| Other GNB | |
| H. influenza | 2 |
| M. catarrhalis | 1 |
| Other | |
| Intracellular pathogen | 0 |
aMRSA methicillin-resistant S. aureus (MRSA), in one renal transplant recipient, and one patient without identified risk factor
†defined as microorganism(s) identified within the first 48 h of ICU admission. More than one bacterium was identified in 5 patients