Thus, Lerner et al23,, 24 found serum IgM class antibodies to EBV‐CA in patients with ME/CFS but not in controls and also reported elevated antibodies against EBV‐dUTPase and EBV DNA polymerase in a subset of patients with ME/CFS. The gene discussed is CD40LG; the disease is myalgic encephalomeyelitis/chronic fatigue syndrome.