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Criteria for Classifying a Respiratory Viral Infection as Healthcare Associated
| Respiratory Virus | Minimum Duration of Hospitalization Before Onset of Symptoms to Classify as Nosocomial (Days) | |
|---|---|---|
| CCMC | MCH | |
| Adenovirus | 3 | 3 |
| Human metapneumovirus | 4 | 3 |
| Influenza A and B | 2 | 1 |
| Parainfluenza virus | 3 | 2 |
| Respiratory syncytial virus | 3 | 4 |
| Rhinovirus | 3 | 2 |
Abbreviations: CCMC, Cohen Children’s Medical Center of New York; MCH, Montreal Children’s Hospital.
