| HSV-1 | Herpes simplex virus 1 |
| HSV-2 | Herpes simplex virus 2 |
| VZV | Varicella-zoster virus |
| CSF | Cerebrospinal fluid |
| PCR | Polymerase chain reaction |
| HHV-6 | Human herpesvirus 6 |
| iciHHV-6 | Inherited chromosomally integrated HHV-6 |
| rPCR | Real-time polymerase chain reaction |
| qPCR | Quantitative polymerase chain reaction |
| IV | Intravenous |