• Michael A Gaytant, Eric A P Steegers, Marloes van Laere, Ben A Semmekrot, Jan Groen, Jan F Weel, Willem I van der Meijden, Kees Boer, and Jochem M D Galama.
• Department of Obstetrics and Gynecology, Virology Section, University Medical Center, Nijmegen, The Netherlands.
• Sex Transm Dis. 2002 Nov 1;29(11):710-4.

BackgroundIn the Netherlands 73% of cases of neonatal herpes are caused by herpes simplex virus type 1 (HSV-1), whereas in the United States a majority are caused by HSV type 2 (HSV-2). GOAL To understand this difference we undertook a seroepidemiological study on the prevalence of HSV-1 and HSV-2 among pregnant women.Study DesignType-specific antibodies to HSV-1 and HSV-2 were detected by enzyme-linked immunosorbent assay (ELISA) in serum samples from 1,507 pregnant women in Amsterdam, Rotterdam, and Nijmegen.ResultsThe prevalence of HSV-1 was 61% in Nijmegen, 73% in Amsterdam, and 75% in Rotterdam. The prevalence of HSV-2 was 11% in Nijmegen, 35% in Amsterdam, and 27% in Rotterdam.ConclusionThe seroprevalence of HSV-1 and HSV-2 antibodies among pregnant women in the Netherlands shows significant geographical differences, which were attributed to ethnical variation. However, the epidemiologic differences did not correlate with the incidence of neonatal herpes in the Netherlands.

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