Fig. 1

Back-transformed Herpes simplex virus 1 (HSV1), Cytomegalovirus (CMV) and Toxoplasma gondii (TG) immunoglobulin G (IgG) concentration means in (left) seropositive (HSV1+, TG+, and CMV+) patients with severe mental illness (SMI) and healthy controls (HC), and (right) seropositive patients with schizophrenia (SZ), bipolar disorder (BP) and HC. *<0.05, **<0.01, ***<0.001.