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

This study aimed to monitor the seasonality of rotavirus infection, and gain insight into the variability of Brazilian strains. 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 perf...

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Published in:Revista da Sociedade Brasileira de Medicina Tropical 2013-03, Vol.46 (2), p.227-230
Main Authors: Luchs, Adriana, Morillo, Simone Guadagnucci, Ribeiro, Cibele Daniel, Cilli, Audrey, Calux, Samira Julien, Carmona, Rita de Cássia Compagnoli, Timenetsky, Maria do Carmo Sampaio Tavares
Format: Article
Language:English
Subjects:
Adolescent
Brazil - epidemiology
Caliciviridae Infections - epidemiology
Disease Outbreaks
Enzyme-Linked Immunosorbent Assay
Epidemiology
Feces - virology
Female
Gastroenteritis
Gastroenteritis - epidemiology
Gastroenteritis - virology
Genotype
Humans
Male
Norovirus - isolation & purification
Outbreaks
Reverse Transcriptase Polymerase Chain Reaction
Rotavirus
Rotavirus - genetics
Rotavirus - isolation & purification
Rotavirus Infections - diagnosis
Rotavirus Infections - epidemiology
Seasonal variations
Seasonality
Seasons
Summer
TROPICAL MEDICINE
Viral infections
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Summary:This study aimed to monitor the seasonality of rotavirus infection, and gain insight into the variability of Brazilian strains. 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. 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. The seasonal pattern of rotavirus may be a consequence of human activity apart from climate factors.
ISSN:0037-8682
1678-9849
1678-9849
0037-8682
DOI:10.1590/0037-8682-1162-2013