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High Frequency of Aichivirus in Children With Acute Gastroenteritis in Iran. | LitMetric

High Frequency of Aichivirus in Children With Acute Gastroenteritis in Iran.

Pediatr Infect Dis J

Department of Research and Development, Production and Research Complex, Pasteur Institute of Iran, Tehran, Iran.

Published: July 2020

AI Article Synopsis

Article Abstract

Background: Initially, detection and isolation of Aichivirus as a new member of Picornaviridae family was documented in Japan. Aichivirus species belongs to genus Kobuvirus, including 3 genotypes A, B and C. In previous studies, it has been suggested that Aichivirus infect humans by fecal-oral route. To establish an investigation for the occurrence of Aichivirus among pediatric patients involved to acute gastroenteritis, we developed a reverse transcription quantitative polymerase chain reaction assay for detection and quantification of Aichivirus in stool specimens.

Material And Methods: In this study, a total of 160 stool samples from September 2018 to May 2019 were collected from pediatric patients presenting with acute gastroenteritis in Karaj hospital, Iran. After viral RNA extraction, the reverse transcription quantitative polymerase chain reaction was performed to amplify the 3CD junction region of Aichivirus genome and viral load was assessed. Aichivirus genomic RNA was detected in 13/160 (8.1%) of stool samples. The highest Aichivirus detection rate was in December (30.7%). The maximum viral load was determined to be 3.9 × 10 copies/g in one sample obtained from a 1-month-old patient. The co-infection of Aichivirus with salivirus and saffold virus was also assessed by reverse transcription quantitative polymerase chain reaction, among which frequent mixed infections by 2 or more viruses were identified.

Conclusions: This is the first documentation of Aichivirus detection in stool samples that demonstrates Aichivirus has been circulating among Iranian pediatric patients.

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Source
http://dx.doi.org/10.1097/INF.0000000000002638DOI Listing

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