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Over 30 million birds dead in Iowa from bird flu, but poultry industry largely unaffected due to strong biosecurity.
A surge in highly pathogenic avian influenza has killed over 30 million birds in Iowa since 2022, with recent spikes in southern Iowa and heavy impacts on Canada geese and raptors.
Adult bald eagles show strong resilience, with 70% testing positive for antibodies, suggesting survival after exposure, while younger birds remain more vulnerable.
Researchers are studying this immunity to inform disease control.
Despite widespread wild bird infections, Iowa’s poultry industry has seen minimal impact this season—only two sites affected—due to improved biosecurity.
Human transmission remains rare, limited to close contact with infected animals.
Officials urge the public to report sick or dead birds and avoid direct contact.
Más de 30 millones de aves muertas en Iowa por la gripe aviar, pero la industria avícola en gran parte no afectada debido a la fuerte bioseguridad.