Serological analysis of human cytomegalovirus (HCMV) antibodies in Russian patients with carotid endarterectomy (CEA) and controls. (A) and (B) Bar graphs show seroprevalence of IgG and IgM antibodies against HCMV in patient with CEA or controls, respectively. (C) Scatter plot shows optical density of IgG between patients with CEA and controls. Carotid endarterectomy, CEA; Optical density, O.D.; *p < 0.05.