Abstract

APECED is a life-threatening monogenic disorder characterized by multiorgan autoimmunity. Most patients harbor autoantibodies (auto-abs) to type-1 interferons (IFNs), which are important mediators of viral defense. Auto-abs to type-1 IFNs are associated with severe COVID-19 and may play a role in other viral infections including by varicella zoster virus (VZV). A recent study of 44 European APECED patients reported increased susceptibility to VZV, and a correlation between VZV recurrence and auto-abs to IFN-α.

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