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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
High Genotypic diversity among rotavirus strains infecting gambian children
Pediatric Infectious Disease Journal, Volume 33, No. SUPPL. 1, Year 2014
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Description
BACKGROUND:: Rotavirus is the leading cause of diarrhea in children <5 years of age. In light of the implementation of rotavirus vaccines of limited valency, it is important to characterize the genotypic diversity of circulating rotavirus in sub-Saharan Africa. METHODS:: We collected stool samples from children 0-59 months of age who presented at the health centres as cases with moderate-to-severe diarrhea in the Upper River Region of The Gambia. Stool samples were also collected from age, sex and area-matched healthy controls. All stool samples were assayed for rotavirus antigens by enzyme-linked immunosorbent assay and genotyping was done using reverse transcriptase polymerase chain reaction. RESULTS:: We enrolled 1029 cases and 1569 controls during the 3-year study period (2008-2010). The detection rate of rotavirus among the cases was 20% (204/1029) and 3% (42/1569) among controls. At least 18 genotypes were found and the predominant genotypes were G2P[6] (28%), G1P[8] (26%) and G1P[10] (10%). The rare identified genotypes (<1%) were G2P[14], G8P[6], G9P[6] and G4P[10]. There was also a strong positive association between rotavirus infection and the dry season (odds ratio: 9.83, 95% confidence interval: 6.18-15.63, P < 0.001). A significant increase in the odds of rotavirus and G1P[8] detection with the use of untreated water and the presence of cats, rodents and cows in the child's residence was also found. CONCLUSION:: This study provides important baseline data for the genotypes circulating before vaccine implementation. The wide diversity of genotypes circulating in The Gambia implies the need for vigilant effectiveness surveillance following the implementation of RotaTeq in August 2013. © 2013 Lippincott Williams and Wilkins.
Authors & Co-Authors
Kwambana-Adams, Brenda A.
Gambia, Banjul
Medical Research Council Laboratories Gambia
Ikumapayi, Usman Nurudeen A.
Gambia, Banjul
Medical Research Council Laboratories Gambia
Sallah, Neneh
Gambia, Banjul
Medical Research Council Laboratories Gambia
Dione, Michel Maïnack
Gambia, Banjul
Medical Research Council Laboratories Gambia
Jarju, Sheikh
Gambia, Banjul
Medical Research Council Laboratories Gambia
Panchalingam, Sandra
United States, Baltimore
University of Maryland School of Medicine
Jafali, James
Gambia, Banjul
Medical Research Council Laboratories Gambia
Lamin, Modou
Gambia, Banjul
Medical Research Council Laboratories Gambia
Betts, Modupeh
Gambia, Banjul
Medical Research Council Laboratories Gambia
Adeyemi, Mitchell
Gambia, Banjul
Medical Research Council Laboratories Gambia
Akinsola, Adebayo Kolawole
Gambia, Banjul
Medical Research Council Laboratories Gambia
Bittaye, Ousman
Gambia, Banjul
Medical Research Council Laboratories Gambia
Jasseh, Momodou
Gambia, Banjul
Medical Research Council Laboratories Gambia
Kotloff, Karen L.
United States, Baltimore
University of Maryland School of Medicine
Levine, Myron M.
United States, Baltimore
University of Maryland School of Medicine
Nataro, James Paul
United States, Charlottesville
University of Virginia School of Medicine
Corrah, Tumani P.
Gambia, Banjul
Medical Research Council Laboratories Gambia
Hossain, Md Jahangir
Gambia, Banjul
Medical Research Council Laboratories Gambia
Saha, Debasish
Gambia, Banjul
Medical Research Council Laboratories Gambia
Antonio, Martin
Gambia, Banjul
Medical Research Council Laboratories Gambia
Statistics
Citations: 20
Authors: 20
Affiliations: 3
Identifiers
Doi:
10.1097/INF.0000000000000087
ISSN:
08913668
e-ISSN:
15320987
Research Areas
Environmental
Maternal And Child Health
Study Design
Case-Control Study
Study Locations
Gambia