Rotavirus G2P[4] and G2P[4]+[6] infections during norovirus gastroenteritis outbreak: summer season 2010, Brazil

Introduction This study aimed to monitor the seasonality of rotavirus infection, and gain insight into the variability of Brazilian strains. Methods A total of 28 stool samples were analyzed from 698 revised cases of gastroenteritis during a norovirus outbreak in the summer of 2010 in Guarujá, Brazi...

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Bibliographic Details
Published in:Revista da Sociedade Brasileira de Medicina Tropical
Main Authors: Adriana Luchs, Simone Guadagnucci Morillo, Cibele Daniel Ribeiro, Audrey Cilli, Samira Julien Calux, Rita de Cássia Compagnoli Carmona, Maria do Carmo Sampaio Tavares Timenetsky
Format: Article in Journal/Newspaper
Language:English
Published: Sociedade Brasileira de Medicina Tropical (SBMT) 2013
Subjects:
Rotavirus
Summer
Seasonality
Arctic medicine. Tropical medicine
RC955-962
Arctic
Online Access:https://doi.org/10.1590/0037-8682-1162-2013
https://doaj.org/article/79af52da0e3a440cbd38bd32cd6f1b81
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Summary:Introduction This study aimed to monitor the seasonality of rotavirus infection, and gain insight into the variability of Brazilian strains. Methods A total of 28 stool samples were analyzed from 698 revised cases of gastroenteritis during a norovirus outbreak in the summer of 2010 in Guarujá, Brazil. Diagnosis was performed using enzyme-linked immunosorbent assay (ELISA), reverse transcription polymerase chain reaction (RT-PCR), and sequencing. Results Rotavirus infection was detected in 17.9% (5/28) of samples; 4 samples were G2P[4] genotype, and one G2P[4]+P[6] genotype. G2 and P[4] sequences showed a genetic relationship to strains from India and Russia, respectively. Conclusions The seasonal pattern of rotavirus may be a consequence of human activity apart from climate factors.

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