Evolutionary dynamics of new lineages GII.4 noroviruses circulating in the amazon region.

doi:10.1016/j.meegid.2025.105876

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Article

Evolutionary dynamics of new lineages GII.4 noroviruses circulating in the amazon region.

Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases - 1 Mar 2026

da Costa Jonaia Novaes, Siqueira Jones Anderson Monteiro, Teixeira Dielle Monteiro, Dos Santos Lobo Patrícia, de Fátima Dos Santos Guerra Sylvia, Souza Isadora Monteiro, Cardoso Bruna Trindade Moreira, Farias Luana Silva Soares, Resque Hugo Reis, Gabbay Yvone Benchimol, Filho Arnaldo Jorge Martins, da Silva Luciana Damascena

Abstract excerpt

This study investigates the evolutionary dynamics of norovirus GII.4 lineages circulating in the Amazon region of Brazil, with a particular focus on the recently emerged GII.4 San Francisco variant. A molecular descriptive design was employed, analyzing 615 stool samples from gastroenteritis patients collected between November 2023 and December 2024. Norovirus prevalence was 14.5%, with genotype characterization...

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PMID: 41547396
DOI: 10.1016/j.meegid.2025.105876

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