| HCMV | Human Cytomegalovirus |
| cCMV | Congenital Cytomegalovirus Infection |
| aCMV | Acquired Cytomegalovirus Infection |
| NICU | Neonatal Intensive Care Unit |
| iNO | Inhaled Nitric Oxide |
| HFNC | High-Flow Nasal Cannula |
| DOL | Day Of Life |
| EEG | Electroencephalogram |
| CRP | C-reactive Protein |
| PCT | Procalcitonin |
| DART | Dexamethasone: A Randomized Trial |
| CMV-SLS | CMV-Related Sepsis-Like Syndrome |
| ROP | Retinopathy of Prematurity |
| BPD | Bronchopulmonary Dysplasia |
| AP-ROP | Aggressive Posterior Retinopathy of Prematurity |
| VEGF | Vascular Endothelial Growth Factor |
| VAP | Ventilator-Associated Pneumonia |
| PVL | Periventricular Leukomalacia |
| VLBW | Very Low Birth Weight |
| MOM | Mother’s Own Milk |
| NEC | Necrotizing Enterocolitis |
| PVD | Pulmonary Vascular Disease |
| MRI | Magnetic Resonance Imaging |
| CA | Corrected Age |