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Nationwide surveillance study of human astrovirus infections in an Italian paediatric population

  • S. DE GRAZIA (a1), V. MARTELLA (a2), M. CHIRONNA (a3), F. BONURA (a1), F. TUMMOLO (a4), A. CALDERARO (a4), P. MOSCHIDOU (a2), G. M. GIAMMANCO (a1) and M. C. MEDICI (a4)
  • DOI: http://dx.doi.org/10.1017/S0950268812000945
  • Published online: 17 May 2012
Abstract
SUMMARY

The study investigated the genetic diversity of human astroviruses (HAstVs) detected in children hospitalized with gastroenteritis in Italy in 2008–2009. A total of 1321 faecal samples were collected in Parma (northern Italy), Bari (southern Italy), and Palermo (Sicily) and screened for the presence of HAstVs. RT–PCR amplification of a portion at the 5′-end of ORF2 allowed the detection of HAstVs in 3·95% of the patients. Four different genotypes (HAstV-1, HAstV-2, HAstV-4, HAstV-5) were found to be circulating during the study period, with HAstV-1 being the predominant type. Interestingly, a novel lineage, proposed as HAstV-2d, was found to have emerged in Parma in 2009. Investigating the genetic variability of HAstVs will be important for understanding the epidemiological trends and evolution of these viruses.

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Corresponding author
*Author for correspondence: Dr S. De Grazia, Dipartimento di Scienze per la Promozione della Salute ‘G. D'Alessandro’, Università di Palermo, via del Vespro 133, 90127 Palermo, Italy. (Email: simona.degrazia@unipa.it)
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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

1.S Guix , Molecular epidemiology of astrovirus infection in Barcelona, Spain. Journal of Clinical Microbiology 2002; 40: 133139.

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8.S De Grazia , Surveillance of human astrovirus circulation in Italy 2002–2005: emergence of linear 2c strains. Clinical Microbiology and Infectious Diseases 2011; 17: 97101.

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Epidemiology & Infection
  • ISSN: 0950-2688
  • EISSN: 1469-4409
  • URL: /core/journals/epidemiology-and-infection
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