Research assesses increased risk of multiple sclerosis in individuals with laboratory-confirmed infectious mononucleosis, suggesting a link with Epstein-Barr virus.
Previous studies examining associations between Epstein-Barr virus (EBV)–positive infectious mononucleosis (IM) and risk of multiple sclerosis (MS) frequently lacked laboratory confirmation of EBV-positive IM or relied on billing codes to identify MS. We assessed whether laboratory-confirmed EBV-positive IM was associated with an increased risk of developing verified cases of MS.
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Sauver et al. (2026) studied this question.
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