Predominance of rotavirus G2P(4) and emergence of G12P(9) strains in Asunción, Paraguay, 2006–2007

Predominance of rotavirus G2P(4) and emergence of G12P(9) strains in Asunción, Paraguay,... Rotavirus is the most common cause of severe diarrhea in children worldwide. Monitoring the diversity of rotavirus strains is of great importance for current and future vaccination programs. To determine the diversity of rotavirus circulating in Asuncion, Paraguay, between 2006 and 2007, we carried out a molecular characterization of rotaviruses detected in children <5 years old and adults (>18 years old). We found that the most common circulating strain was G2P(4) (69/143), followed by G9P(8) (37/143). The temporal distribution of strains showed that, in children, G2P(4) was predominant in 2006, and that G2P(4) and G9P(8) were co-predominant in 2007, whereas in adults, G2P(4) was predominant in both years. Additionally, one G9P(6) and three G12P(9) strains were found in adult samples, making this the first report of these strains circulating in Paraguay. Sequence analysis of the G12P(9) strains suggests across-border migration of this strain within the southern cone of America. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Predominance of rotavirus G2P(4) and emergence of G12P(9) strains in Asunción, Paraguay, 2006–2007

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Publisher
Springer Vienna
Copyright
Copyright © 2010 by Springer-Verlag
Subject
Biomedicine; Infectious Diseases; Medical Microbiology ; Virology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-010-0617-0
Publisher site
See Article on Publisher Site

Abstract

Rotavirus is the most common cause of severe diarrhea in children worldwide. Monitoring the diversity of rotavirus strains is of great importance for current and future vaccination programs. To determine the diversity of rotavirus circulating in Asuncion, Paraguay, between 2006 and 2007, we carried out a molecular characterization of rotaviruses detected in children <5 years old and adults (>18 years old). We found that the most common circulating strain was G2P(4) (69/143), followed by G9P(8) (37/143). The temporal distribution of strains showed that, in children, G2P(4) was predominant in 2006, and that G2P(4) and G9P(8) were co-predominant in 2007, whereas in adults, G2P(4) was predominant in both years. Additionally, one G9P(6) and three G12P(9) strains were found in adult samples, making this the first report of these strains circulating in Paraguay. Sequence analysis of the G12P(9) strains suggests across-border migration of this strain within the southern cone of America.

Journal

Archives of VirologySpringer Journals

Published: Apr 1, 2010

References

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