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Australian Rotavirus Surveillance Program: annual report, 2006-07

Carl D Kirkwood1, David Cannan, Nada Bogdanovic-Sakran

  • 1National Rotavirus Reference Centre, Murdoch Childrens Research Institute, Royal Children's Hospital Parkville, Victoria. carl.kirkwood@mcri.edu.au

Communicable Diseases Intelligence Quarterly Report
|February 14, 2008
PubMed

Insights

Rotavirus surveillance in Australia identified G1 as the dominant serotype in hospitalized children with acute gastroenteritis. G9 and G3 were also prevalent, while G2 and G4 were less common.

Area of Science:

  • Virology
  • Public Health
  • Epidemiology

Background:

  • Rotavirus is a leading cause of severe gastroenteritis in young children globally.
  • Effective rotavirus surveillance is crucial for understanding circulating strains and informing vaccination strategies.

Purpose of the Study:

  • To characterize the rotavirus serotypes causing acute gastroenteritis in hospitalized children in Australia.
  • To provide data on the prevalence of different rotavirus genotypes during the surveillance period.

Main Methods:

  • Laboratory-based surveillance of rotavirus strains from hospitalized children across Australia.
  • Analysis of 1002 faecal samples using monoclonal antibody immunoassays, RT-PCR, and PAGE.
  • Determination of G and P genotypes of identified rotavirus strains.

Main Results:

  • Serotype G1 was the most common (36.7%), followed by G9 (31.1%) and G3 (23.3%).
  • Serotype G2 accounted for less than 5% of strains; no G4 strains were detected.
  • The P[8] genotype was predominant among G1, G3, and G9 strains.
  • Rare genotypes G8 and G12 were identified in a small number of cases.

Conclusions:

  • Serotype G1, G9, and G3 were the primary rotavirus serotypes responsible for childhood hospitalizations due to gastroenteritis in Australia during 2006-2007.
  • The findings highlight the importance of ongoing rotavirus surveillance to monitor evolving epidemiology.

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