PRENATAL EXPOSURE TO INFLUENZA AND SCHIZOPHRENIA IN SURINAMESE AND DUTCH ANTILLEAN IMMIGRANTS TO THE NETHERLANDS

There is evidence of an increased incidence of schizophrenia in Afro-C aribbean immigrants to the UK and in Surinamese- and Dutch Antillean i mmigrants to The Netherlands. We tested the hypothesis that second-tri mester exposure to the 1957 A2 influenza pandemic, which swept through the Caribbean in the same period as it affected Western Europe, contr ibutes to this phenomenon. The dates of birth of immigrants, discharge d from a Dutch psychiatric institute with a diagnosis of schizophrenia , were examined for any effect of the pandemic. Individuals who were i n their second-trimester of fetal life at the peak of the pandemic wer e at no greater risk of developing schizophrenia than controls. (C) 19 98 Elsevier Science B.V.