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Detection Of Gastroenteritis Viruses Among Pediatric Patients In Hiroshima Prefecture, Japan, Between 2006 And 2013 Using Multiplex Reverse Transcription PCR‐based Assays Involving Fluorescent Dye‐labeled Primers
Published 2017 · Biology, Medicine
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Multiplex reverse transcription (RT)‐polymerase chain reaction (PCR)‐based assays involving fluorescent dye‐labeled primers were modified to detect 10 types of gastroenteritis viruses by adding two further assays to a previously developed assay. Then, these assays were applied to clinical samples, which were collected between January 2006 and December 2013. All 10 types of viruses were effectively detected in the multiplex RT‐PCR‐based assays. In addition, various viral parameters, such as the detection rates and age distributions of each viral type, were examined. The frequency and types of mixed infections were also investigated. Among the 186 virus‐positive samples, genogroup II noroviruses were found to be the most common type of virus (32.7%), followed by group A rotaviruses (10.6%) and parechoviruses (10.3%). Mixed infections were observed in 37 samples, and many of them were detected in patients who were less than 2 years old. These observations showed that the multiplex RT‐PCR‐based assays involving fluorescent dye‐labeled primers were able to effectively detect the viruses circulating among pediatric acute gastroenteritis patients and contributed to the highly specific and sensitive diagnosis of gastroenteritis. J. Med. Virol. 89:791–800, 2017. © 2016 Wiley Periodicals, Inc.