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Genomic analysis of Wenzhou virus in rodents from Zhejiang province / 中华流行病学杂志
Chinese Journal of Epidemiology ; (12): 384-387, 2017.
Article in Chinese | WPRIM | ID: wpr-736183
ABSTRACT
Objective Arenavirus is a negative single-stranded RNA virus and an important human pathogen,mainly harbored and transmitted by rodents,causing severe diseases,including hemorrhagic fever and encephalitis.Following the discovery of a novel pathogenic arenavirus (Wenzhou virus,WENV),the prevalence of WENV in local small rodents was investigated.Methods By using RT-PCR,WENV was screened in 48 and 156 rodents sampled from Wenzhou and Longquan,respectively.Results Consequently,WENV was detected in 5 (10.41%) rodents sampled from Wenzhou.However,no WENV was identified in all the rodents sampled from Longquan.Genetic analysis of complete genome sequences indicated that 4 of 5 virus strains were closely related to the known Wenzhou viruses with high homology.Especially,the L and S segments of Wencheng-Rn-288 strain shared homology of 87.5% and 91.6% with other viruses,respectively.They formed a distinct lineage,suggesting that this strain might be a novel variant of WENV.Conclusions Our results indicate that WENV has a high prevalence and high genetic diversity among rodents in Wenzhou.As the respiratory disease caused by WENV has been detected in Cambodia,it is necessary to strengthen the surveillance for WENV in China.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2017 Type: Article