Fig. 1: Bipolar disorder and prevalence of IgG antibodies against Cytomegalovirus, Herpes simplex virus-1, and Herpes simples-virus-2.
From: The association between antibodies to neurotropic pathogens and bipolar disorder

Meta-analysis on a cytomegalovirus (CMV) (n = 9), b herpes simplex virus-1 (HSV-1) (n = 7), c herpes simplex virus-2 (HSV-2) (n = 5) in bipolar disorder. BD bipolar disorder, HC healthy controls.