| AUTH | Aristotle University of Thessaloniki |
| CBC | Complete Blood Count |
| CLL | Chronic Lymphocytic Leukemia |
| CMV | Cytomegalovirus |
| CNS | Central Nervous System |
| CRP | C-reactive Protein |
| CT | Computed Tomography |
| CSF | Cerebro-Spinal Fluid |
| HSV | Herpes Simplex Virus |
| IC | Internal Control |
| MRI | Magnetic Resonance Imaging |
| NGS | Next-Generation Sequencing |
| PCR | Polymerase Chain Reaction |
| SLE | Systemic Lupus Erythematosus |
| VZV | Varicella Zoster Virus |
| WBC | White Blood Cell |