| MS | multiple sclerosis |
| CNS | central nervous system |
| DMTs | Disease-modifying therapies |
| RRMS | Relapsing–remitting multiple sclerosis |
| EBV | Epstein–Barr virus |
| Ig | immunoglobulin |
| VCA | viral capsid antigens |
| EBNA | EBV nuclear antigens |
| RNA | ribonucleic acid |
| MHC | major histocompatibility complex |
| HLA | human leukocyte antigen |
| gp | glycoprotein |
| PRISMA | Preferred Reported Items for Systematic Reviews and Meta-Analyses |
| EDSS | Expanded Disability Status Scale |
| MRI | magnetic resonance imaging |
| CSF | cerebrospinal fluid |
| PBMCs | peripheral blood mononuclear cells |
| IL | interleukin |
| GlialCAM | glial cell adhesion molecule |
| CMV | cytomegalovirus |
| DNA | deoxyribonucleic acid |
| DAC HYP | daclizumab high-yield process |
| IFN | interferon |
| TNF | tumour necrosis factor |
| pDCs | plasmacytoid dendritic cells |
| EA | early antigen |
| GA | glatiramer acetate |
| DMF | dimethyl fumarate |
| BLyS | B-lymphocyte stimulator |
| APRIL | a proliferation-inducing ligand |
| aHSCT | autologous hematopoietic stem cell transplantation |
| LMP | latent membrane protein |
| MOG | myelin oligodendrocyte glycoprotein |
| MbCD | methyl-β-cyclodextrin |
| MBP | myelin basic protein |
| HHV-6 | human herpes virus 6 |