Abstract:
:Norovirus (NoV) is now recognized as a leading cause of nonbacterial acute gastroenteritis; however, the NoV GII.17 genotype has rarely been reported as the predominant genotype in clinical diarrhea cases. During the winter of 2014–2015, the GII.17 genotype, together with the NoV GII.4 genotype, dominated in sporadic adult patients with gastroenteritis in Shanghai. Phylogenetic analysis based on full-length VP1 amino acid sequences showed that the GII.17 strains that emerged in Shanghai have close evolutionary relationships with strains recently collected in the Hong Kong area, Guangdong province of China, and Japan during the same period. This cluster in the phylogenetic tree may represent a novel NoV GII.17 lineage recently circulating in East Asia. Pairwise distances between clusters also revealed the evolution of the NoV GII.17 genotype in previous decades. Our study emphasizes the importance of combined surveillance of NoV-associated infections.
journal_name
Emerg Microbes Infectjournal_title
Emerging microbes & infectionsauthors
Chen H,Qian F,Xu J,Chan M,Shen Z,Zai S,Shan M,Cai J,Zhang W,He J,Liu Y,Zhang J,Yuan Z,Zhu Z,Hu Ydoi
10.1038/emi.2015.67subject
Has Abstractpub_date
2015-11-01 00:00:00pages
e67issue
11issn
2222-1751journal_volume
4pub_type
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