Table 1. Summary of seroprevalences in German and UK populations.

Groups	Total sera	Positive sera ≥ cut-off = Mean+3*SD (0–1 yr+outlier) 0·36
German sera
0–1 years	66	3 (4·5%)
2–5 years	52	13 (25%)
6–10 years	47	11 (23·4%)
11–20 years	72	9 (12·5%)
21–40 years	52	7 (13·5%)
	289	Seropositivity in healthy subjects14·87%
Psoriasis	10	2 (20%)
SLE*	3	1 (33·3%)
Autoimm†	12	2 (16·6%)
UK sera
Healthy Humans	33	10 (30.3%)
PPMS#	9	1 (11·1%)
RRMS<$>\scale 80%\raster="rg1"\<$>	37	6 (16·2%)
Total	393	65 (16.5%)

*SLE – Systemic Lupus Erythematosus.

^†Autoimm. – General autoimmune conditions.

^#PPMS – Primary progressive multiple sclerosis.

^{<$>\scale 80%\raster="rg1"\<$>}RRMS – Relapsing remitting multiple sclerosis.