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. 2010 Jul;38(4):373-7.
doi: 10.1515/jpm.2010.050.

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

Joon-Seok Hong  1 , Chang Won Choi, Kyoung-Un Park, Shi Nae Kim, Hyun Ju Lee, Hye Ryun Lee, Eun Hwa Choi, Kyo Hoon Park, Chang Suk Suh, Beyong Il Kim, Seok Tae Choi, Sung Su Kim
Affiliations

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

Joon-Seok Hong et al. J Perinat Med. 2010 Jul.

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.

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