Abstract

In the past decade, the most prevalent norovirus genotype causing viral gastroenteritis outbreaks worldwide, including China, has been GII.4. In winter 2014–15, norovirus outbreaks in Guangdong, China, increased. Sequence analysis indicated that 82% of the outbreaks were caused by a norovirus GII.17 variant.

Highlights

  • Norovirus infection is a leading cause of nonbacterial gastroenteritis outbreaks in industrialized and developing countries [1,2]

  • The norovirus-positive specimens are delivered to the Guangdong Provincial Center for Disease Control and Prevention for further genotyping

  • Outbreaks of nonbacterial gastroenteritis in Guangdong Province, China, during winter 2014–15 were caused by a rare norovirus, genotype GII.17

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Summary

Introduction

Norovirus infection is a leading cause of nonbacterial gastroenteritis outbreaks in industrialized and developing countries [1,2]. The norovirus-positive specimens are delivered to the Guangdong Provincial Center for Disease Control and Prevention for further genotyping. The major norovirus genotype causing each outbreak is defined as 1 genotype detected in >80% samples from the outbreak.

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Conclusion
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