| HRSV | Human Respiratory Syncytial Virus |
| US | United States |
| NPIs | Non-pharmaceutical Interventions |
| RT-qPCR | Reverse Transcription-quantitative Polymerase Chain Reaction |
| PICU | Pediatric Intensive Care Unit |
| COVID-19 | Coronavirus disease 2019 |
| HBoV1 | Human bocavirus |
| KIPyV | Human polyomavirus 3 |
| MCC | Bayesian maximum clade credibility |
| HPD | Highest Posterior Density |
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