Table 2.
Organs and cells attacked by COVID-19 with the risk level for organ failure.
| Organ | Type of cell tested | Proportion of ACE2 | Risk for organ failure |
|---|---|---|---|
| Respiratory Tract/ Lungs/ Alveolar cells | Respiratory epithelial cells/ AT2 cells | 2% | High |
| Nasal and Bronchi | Nasal and bronchial samples | No | Low |
| Heart | Myocardial cells | 7.5 % | High |
| Ileum | Ileal epithelial cells | ∼30 % | High |
| Oesophagus | Oesophagus epithelial cells | >1% | High |
| Stomach and liver | <1% | Low | |
| Kidney | Kidney proximal tube | 4% | High |
| Urinary bladder | Bladder urothelial cells | 2.4 % | High |