Molecular epidemiology of WU polyomavirus in hospitalized children with acute respiratory tract infection in China.
FUTURE MICROBIOLOGY(2017)
Abstract
To explore the molecular epidemiology and clinical characteristics of Washington University polyomavirus (WUPyV) infection in pediatric patients with acute respiratory tract infections in China. Materials & methods: A laboratory surveillance was performed to recruit pediatric patients with acute respiratory tract infections. WUPyV was detected using real-time PCR and complete genome was sequenced for randomly selected positive nasopharyngeal aspirate. Results: Altogether 122 (7.5%) of 1617 children found to be infected with WUPyV and 88 (72.1%) were coinfected with other viruses during 2012-2015. The phylogenetic analysis showed that 14 strains from our study formed two new clusters (Id and IIIc) within the Branch I and Branch III, respectively. Conclusion: WUPyV is persistently circulating in China. Surveillance on WUPyV infection in wider areas and long persistence is warranted.
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Key words
acute respiratory tract infection,China,epidemiology,WU polyomavirus
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