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Highly pathogenic avian influenza causes substantial poultry losses and zoonotic concerns globally. Duck vaccination against highly pathogenic avian influenza began in France in October 2023. Our assessment predicted that 314-756 outbreaks were averted in 2023-2024, representing a 96%-99% reduction in epizootic size, likely attributable to vaccination.
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Guinat et al. (2025) studied this question.
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