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Genital group B streptococcus carrier rate and serotype distribution in Korean pregnant women: implications for group B streptococcal disease in Korean neonates

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Published/Copyright: March 18, 2010
Journal of Perinatal Medicine
From the journal Volume 38 Issue 4

Abstract

Aims: We investigated the genital group B streptococcus (GBS) carrier rate in Korean pregnant women and the serotype distribution in face of the recent increase of late-onset GBS disease in Korea.

Methods: GBS screening was performed on 4045 healthy pregnant women at 35–37 weeks' gestation. In case of positive GBS culture, serotyping was performed by using GBS typing antisera.

Results: When both vaginal and anorectal culture were performed, the GBS carrier rate was 10.0% (n=121/1205), which is the highest rate ever reported in Korea. Type III was more common (36%), and type Ia (13%) and Ib (7%) were less prevalent.

Conclusions: Increased maternal genital GBS carrier rate and difference in serotype distribution pattern of GBS may be related to the recent increase of late-onset GBS disease in Korea.


Corresponding author: Chang Won Choi Department of Pediatrics Seoul National University Bundang Hospital 166 Gumiro, Bundang-gu, Seongnam-si Gyeonggi-do 463-707 Korea Tel.: +82 31 787 7286 Fax: +82 31 787 4054

Received: 2009-7-22
Revised: 2009-11-22
Accepted: 2009-12-15
Published Online: 2010-03-18
Published Online: 2010-03-18
Published in Print: 2010-07-01

©2010 by Walter de Gruyter Berlin New York

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