| CMV | Cytomegalovirus |
| pCMV | Postnatal Cytomegalovirus |
| VLBW | Very low birthweight |
| ELBW | Extremely low birthweight |
| BM | Breastmilk |
| GA | Gestational age |
| SD | Sponteanous delivery |
| CT | Cesarean section |
| DBS | Dried blood spot |
| cUS | Cerebral ultrasound |
| NEC | Necrotizing enterocolitis |
| DOL | Day of life |
| TEOAE | Transient evoked otoacoustic emissions |
| ABR | Automatic brain response |
| BPD | Bronchopulmonary dysplasia |
| NICU | Neonatal intensive care unit |
| SLS | Sepsis-like syndrome |
| CSF | Cerebrospinal fluid |
| CRP | C-reactive protein |
| NDI | Neurodevelopmental impairment |
| CNS | Central nervous system |
| LSV | Lenticulostriate vasculopathy |
| ROP | Retinopathy of prematurity |
| GCV | Ganciclovir |
| V-GCV | Valganciclovir |
| FBC | Full blood count |
| U&E | Urea and electrolytes |
| LFT | Liver function test |
| VL | Viral load |
| AAP | American Academy of Pediatrics |