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Prevalence and Molecular Genotyping of Group A Rotaviruses in Iranian Children

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Abstract

Rotavirus is the leading cause of acute gastroenteritis in worldwide young children. Effective vaccines to prevent rotavirus infection are currently available, although their clinical use is still limited, and rotavirus still causes many episodes of infantile gastroenteritis, mainly during the winter season. The aim of this study was to evaluate the prevalence of rotavirus infection in children aged <5-years-old who were hospitalised for gastroenteritis. One hundred and sixty-three stool samples from hospitalised children (<5-years-old) complicated with severe diarrhoea, in two hospitals in Jahrom City, Iran were collected from 2009 to 2010. Antigenic prevalence of rotavirus group A was distinguished by enzyme immunoassay. The antigen of group A rotavirus was diagnosed by EIA in 75 of 163 collected samples. The genotype of EIA-positive samples was determined by nested RT-PCR. The frequency of rotavirus genotypes G1, G2, G3, G4 and G9 was 17.33, 13.34, 2.67, 30.66 and 2.67 %, respectively. Also, the frequency of mixed and non-typable genotypes was detected in 2.67 and 30.66 %, respectively. G1/G8 mixed infection was the first of these rotavirus genotypes to be reported in Iran. Detection of high prevalence of group A rotavirus infection in hospitalised children with diarrhoea, and determination of circulating rotavirus genotypes in this region of Iran, provide useful data for formulating effective vaccines; especially for infants less than 5-years-old.

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Authors and Affiliations

  1. Department of Microbiology, Jahrom Branch, Islamic Azad University, Jahrom, Iran

    Mohammad Kargar & Amin Reza Akbarizadeh

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  1. Mohammad Kargar
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  2. Amin Reza Akbarizadeh
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Correspondence to Mohammad Kargar.

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Kargar, M., Akbarizadeh, A.R. Prevalence and Molecular Genotyping of Group A Rotaviruses in Iranian Children. Indian J. Virol. 23, 24–28 (2012). https://doi.org/10.1007/s13337-012-0070-7

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  • DOI: https://doi.org/10.1007/s13337-012-0070-7

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