US EditionHighly Pathogenic Avian Influenza Detected in a Commercial Turkey Flock in Hamilton County
The USDA confirmed nine H5N1 cases in Iowa poultry in 2025, prompting bipartisan senators to urge a vaccine strategy to mitigate rising winter infections.
- On Dec. 2, Animal and Plant Health Inspection Service detected H5N1 HPAI in a commercial turkey flock in Hamilton County, Iowa, marking Iowa's ninth domestic H5N1 detection in 2025.
- Nearly two dozen U.S. senators urged the U.S. Department of Agriculture to prioritize a vaccine strategy in a bipartisan letter to U.S. Secretary of Agriculture Brooke Rollins dated Dec. 11, signed by Sen. Joni Ernst and Sen. Chuck Grassley.
- Swabs from birds' mouths are tested for avian influenza and confirmed cases are added to USDA APHIS tracking, while Iowa officials urge heightened biosecurity and the CDC advises cooking poultry to 165°F.
- Senators urged that any vaccine strategy cover all impacted poultry species, prioritize dairy cattle, and include stakeholder consultation, while USDA's draft proposal remains under review and not filed in the Federal Register as of Friday.
- Since Feb. 2022, over 184 million poultry and more than 1,000 dairy cattle have been affected, with industry warning vaccination might disrupt export markets, while USDA launched a $1 billion plan including $100 million for vaccine research.
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Iowa Capital Dispatch
Senators call for highly pathogenic avian influenza vaccine
Swabs from birds’ mouths are placed in tubes and tested for avian influenza virus. (Photo by Erica Spackman/USDA)Nearly two dozen U.S. senators urged the U.S. Department of Agriculture, in a letter, to “prioritize” a vaccine strategy for the highly pathogenic avian influenza. The virus has impacted more than 184 million commercial and backyard poultry birds and more than 1,000 head of dairy cattle since February 2022. The letter comes as detecti…
Highly Pathogenic Avian Influenza Detected in a Commercial Turkey Flock in Hamilton County
DES MOINES – The Iowa Department of Agriculture and Land Stewardship and the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) have detected a case of Highly Pathogenic Avian Influenza (H5N1 HPAI) in a commercial…
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