Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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Molecular Characteristics of Human Noroviruses Genogroup I and Genogroup II Detected in Acute Gastroenteritis Patients in Seoul

급성위장관염 환자에서 검출된 노로 바이러스 Genogroup-I과 Genogroup-II의 분자생물학적 특성

  • Ham, Hee-Jin (Seoul Metropolitan Government Institute of Health & Environment) ;
  • Oh, Se-Ah (Seoul Metropolitan Government Institute of Health & Environment) ;
  • Kim, Chang-Kyu (Seoul Metropolitan Government Institute of Health & Environment) ;
  • Jang, Jung-Im (Seoul Metropolitan Government Institute of Health & Environment) ;
  • Jo, Suk-Ju (Seoul Metropolitan Government Institute of Health & Environment) ;
  • Choi, Sung-Min (Seoul Metropolitan Government Institute of Health & Environment)
  • 함희진 (서울특별시 보건환경연구원) ;
  • 오세아 (서울특별시 보건환경연구원) ;
  • 김창규 (서울특별시 보건환경연구원) ;
  • 장정임 (서울특별시 보건환경연구원) ;
  • 조석주 (서울특별시 보건환경연구원) ;
  • 최성민 (서울특별시 보건환경연구원)
  • Received : 2011.12.12
  • Accepted : 2012.02.20
  • Published : 2012.02.29
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Abstract

Objectives: For our survey of the incidence of norovirus infections and the genogroup distribution of norovirus in Seoul, Republic of Korea, we evaluated through regular surveillance the prevalence of norovirus infections in patients with acute gastroenteritis occurring in Seoul from January 2007 to July 2011. Methods: For norovirus detection, we conducted epidemiological analyses on the basis of the junction of ORF1 and ORF2 (approximately 314 bp). 11,202 fecal specimens were collected from patients in Seoul with acute gastroenteritis between January 2007 and July 2011 and then tested for the presence of NoV via reverse transcription (RT) - polymerase chain reaction (PCR). Results: 16.6% (1,861/11,202) of the fecal specimens were determined to be positive for noroviruses. The incidences of norovirus infection in Seoul in the case of acute gastroenteritis with regular surveillance were 28.0% in 2007, 14.6% in 2008, 9.1% in 2009, 14.1% in 2010, and 12.9% in 2011, which shows that noroviruses constituted a major causative agent of acute gastroenteritis. Also, the incidence of noroviral infection in patients with acute gastroenteritis increased after the large-scale new influenza in 2009. Conclusions: The genetic characteristics of norovirus and the epidemiologic patterns of a viral pathogen in acute gastroenteritis patients may provide potentially effective data for epidemiological studies in Seoul, Korea.

Keywords

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