Epstein–barr virus and multiple sclerosis risk in the finnish maternity cohort

Objective To determine whether maternal Epstein–Barr virus (EBV) IgG antibody levels are associated with risk of multiple sclerosis (MS) in the offspring. Methods We conducted a prospective nested case–control study in the Finnish Maternity Cohort (FMC) with serum samples from >800,000 women collected during pregnancy since 1983. Cases of MS among offspring born between 1983 and 1991 were identified via hospital and prescription registries;...