| BPD | Bronchopulmonary dysplasia |
| CHD | Congenital heart defects |
| CLD | Chronic lung disease |
| CRST | Canadian Risk Scoring Tool |
| EMA | European Medicines Agency |
| FDA | Food and Drug Administration |
| ICERs | Incremental cost-effectiveness ratios |
| ICU | Intensive care unit |
| IRST | International Risk Scoring Tool |
| LRTI | Lower respiratory tract infections |
| nAb | Neutralizing antibody |
| QALY | Cost per quality-adjusted life year |
| RCTs | randomized controlled trials |
| RSV | Respiratory syncytial virus |
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