Virological and Epidemiological Features of Norovirus Infections in Brazil, 2017-2018.
Adolescent
Adult
Brazil
/ epidemiology
Caliciviridae Infections
/ epidemiology
Child
Child, Preschool
Feces
/ virology
Female
Gastroenteritis
/ virology
Genetic Variation
Genotype
Humans
Infant
Infant, Newborn
Male
Middle Aged
Norovirus
/ classification
Phylogeny
RNA, Viral
/ genetics
Recombination, Genetic
Young Adult
Brazil
clinical
dual genotyping
genetic diversity
molecular epidemiology
norovirus
viral load
Journal
Viruses
ISSN: 1999-4915
Titre abrégé: Viruses
Pays: Switzerland
ID NLM: 101509722
Informations de publication
Date de publication:
30 08 2021
30 08 2021
Historique:
received:
15
07
2021
revised:
09
08
2021
accepted:
13
08
2021
entrez:
28
9
2021
pubmed:
29
9
2021
medline:
12
2
2022
Statut:
epublish
Résumé
Noroviruses are considered an important cause of acute gastroenteritis (AGE) across all age groups. Here, we investigated the incidence of norovirus, genotypes circulation, and norovirus shedding in AGE stool samples from outpatients in Brazil. During a two-year period, 1546 AGE stool samples from ten Brazilian states were analyzed by RT-qPCR to detect and quantify GI and GII noroviruses. Positive samples were genotyped by dual sequencing using the ORF1/2 junction region. Overall, we detected norovirus in 32.1% of samples, with a massive predominance of GII viruses (89.1%). We also observed a significant difference between the median viral load of norovirus GI (3.4×10
Identifiants
pubmed: 34578304
pii: v13091724
doi: 10.3390/v13091724
pmc: PMC8472875
pii:
doi:
Substances chimiques
RNA, Viral
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
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