Table 1.

Seroprevalence rates against viruses in patients with PPMS and healthy donors

Viruses	PPMS	Healthy donors	p-value
EBV-VCA	68 (100%)	63 (95.5%)	0.075
EBV-EBNA1	67 (98.5%)	61 (92.4%)	0.088
HCMV	52 (76.5%)	33 (50.0%)	0.001
HHV-6	38 (55.9%)	42 (63.6%)	0.360
Measles	66 (97.1%)	61 (92.4%)	0.228

EBV Epstein–Barr virus, EBNA1 Epstein–Barr nuclear antigen 1, HCMV human cytomegalovirus, HHV-6 human herpesvirus 6, VCA viral capsid antigen

Significant p-values are shown in bold