Associations Between Maternal Infection During Pregnancy, Childhood Infections and the Risk of Subsequent Psychotic Disorder—A Swedish Cohort Study of Nearly 2 Million Individuals

Recent studies question whether the risk for psychotic disorder associated with prenatal exposure to infection are due to infections per se, or to shared susceptibility of both infections and psychiatric disorders. Moreover, the potential link between prenatal infection and serious infections during childhood, another alleged risk factor for psychotic disorder, remains unknown. The aim of this study was to investigate the role of maternal infections during pregnancy in context of parental psychiatric disorders and subsequent childhood infections.