Osong Public Health Res Perspect.
2015 Oct;6(5):318-321. 10.1016/j.phrp.2015.10.002.
Epidemics of Norovirus GII.4 Variant in Outbreak Cases in Korea, 2004–2012
- Affiliations
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- 1Division of Enteric Diseases, Center for Infectious Diseases, Korea National Institute of Health, Osong, Korea
- 2Division of Vaccine Research, Center for Infectious Diseases, Korea National Institute of Health, Osong, Korea
- 3Division of Bio-Safety Evaluation and Control, Korea National Institute of Health, Osong, Korea
- KMID: 2518223
- DOI: http://doi.org/10.1016/j.phrp.2015.10.002
Abstract
- Norovirus GII.4 is recognized as a worldwide cause of nonbacterial outbreaks. In particular, the GII.4 variant occurs every 2–3 years according to antigenic variation. The aim of our study was to identify GII.4 variants in outbreaks in Korea during 2004–2012. Partial VP1 sequence of norovirus GII.4-related outbreaks during 2004–2012 was analyzed. The partial VP1 sequence was detected with reverse transcription-polymerase chain reaction, seminested polymerase chain reaction, and nucleotide sequence of 312-314 base pairs for phylogenetic comparison. Nine variants emerged in outbreaks, with the Sydney variant showing predominance recently. This predominance may persist for at least 3 years, although new variants may appear in Korea.
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