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Article

Passive surveillance for Influenza A virus among swine, Brazil, 2009-2023.

Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] - 1 Dec 2025

Tochetto Caroline, Gava Danielle, Haach Vanessa, Schaefer Rejane

Abstract excerpt

Influenza A virus (IAV) is present in most swine-producing countries causing production losses and concerns on public health. In Brazil, influenza is endemic in pig herds, and a great genetic diversity has been described in swine IAVs due to multiple introductions of pre-2009 human-seasonal IAVs followed by reassortment events with 2009 pandemic H1N1 (H1N1pdm) virus. Here, we compile 14 years of IAV monitoring...

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Identifiers

PMID: 40768029
DOI: 10.1007/s42770-025-01749-z
PMCID: PMC12660588

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