Genotype Diversity, Wild Bird-to-Poultry Transmissions, and Farm-to-Farm Carryover during the Spread of the Highly Pathogenic Avian Influenza H5N1 in the Czech Republic in 2021/2022.

Abstract excerpt

In 2021/2022, the re-emergence of highly pathogenic avian influenza (HPAI) occurred in Europe. The outbreak was seeded from two sources: resident and reintroduced viruses, which is unprecedented in the recorded history of avian influenza. The dominant subtype was H5N1, which replaced the H5N8 subtype that had predominated in previous seasons. In this study, we present a whole genome sequence and a phylogenetic...

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