Epidemiology of rotavirus diarrhea and diversity of rotavirus strains among children less than 5 years of age with acute gastroenteritis in mauritius: June 2008 to december 2010

Vidula Nalini Pursem*, Bhye Mohammud Cassam Peeroo, Taj Ignace Mangar, Fazal Mohammad Abdul Latiff Sohawon, L. Mapaseka Seheri, M. Jeffrey Mphahlele, Jason M. Mwenda, Shyam Shunker Manraj

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

BACKGROUND:: Rotavirus is an important etiologic agent of diarrhea worldwide and ongoing surveillance is essential to monitor strain diversity. To describe the epidemiology of rotavirus disease and circulating rotavirus strains in Mauritius, surveillance for rotavirus diarrhea was conducted at 2 regional hospitals from June 2008 through December 2010. METHODS:: A total of 787 fecal samples from children <5 years of age admitted to the pediatric ward with acute gastroenteritis was collected within 48 hours of hospitalization and analyzed for group A rotavirus. A subset of rotavirus-positive samples was subjected to polyacrylamide gel electrophoresis and VP4 and VP7 genotyping. RESULTS:: Rotavirus was detected in 327 (41.6%) stools. Highest prevalence of rotavirus infection occurred in children <2 years of age, predominately between 12 and 23 months. Three seasonal peaks were observed during the study period: July to October 2008, October to December 2009 and July to October 2010. Polyacrylamide gel electrophoresis analysis of 116 positive samples yielded only long electropherotypes. The predominant circulating strain was G3P[8] (89%) from June through December 2008, G4P[8] (76%) from January through December 2009 and G1P[8] (90%) from January through December 2010. CONCLUSIONS:: The diversity of rotavirus strains detected in this study highlights the need for continuous surveillance and data generated can be used to advocate for rotavirus vaccine introduction.

Original languageEnglish
Pages (from-to)S49-S53
JournalPediatric Infectious Disease Journal
Volume33
Issue numberSUPPL. 1
DOIs
Publication statusPublished - 2014
Externally publishedYes

Keywords

  • Mauritius
  • gastroenteritis
  • genotypes
  • rotavirus

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