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Severity of illness by number of comorbidities
| Number of comorbidities | Asymptomatic or minimal symptoms, n (%) | Mild illness with or without pneumonia, n (%) | Severe/critical illness, n (%) |
| No comorbidity | 4582 (96.1) | 120 (2.5) | 67 (1.4) |
| Only one comorbidity | 330 (86.6) | 23 (6.0) | 28 (7.3) |
| Two or more comorbidities | 256 (82.1) | 34 (10.9) | 22 (7.1) |
