Complication rates associated with community-acquired respiratory virus (CRV) infection after hematopoietic cell transplantation (HCT) depend on species of virus.1,4,6,10
| Virus . | Progression from Upper Respiratory Infection to Pneumonia . | Pulmonary Copathogens . | Overall 30-day Mortality with Pneumonia . |
|---|---|---|---|
| Respiratory Syncytial Virus | 40% | 2.5%–33% | 25%–45% |
| Parainfluenza | 18%–44% | 53% | 35%–37% |
| Influenza A/B | 18% | 50% | 25%–28% |
| Virus . | Progression from Upper Respiratory Infection to Pneumonia . | Pulmonary Copathogens . | Overall 30-day Mortality with Pneumonia . |
|---|---|---|---|
| Respiratory Syncytial Virus | 40% | 2.5%–33% | 25%–45% |
| Parainfluenza | 18%–44% | 53% | 35%–37% |
| Influenza A/B | 18% | 50% | 25%–28% |