Overview
- DATCP and the USDA have quarantined the site and established a 10‑kilometer control area that restricts poultry movement.
- Depopulation of the affected flock is in progress, and birds from the site will not enter the food system.
- The H5N1 strain is highly contagious and often fatal to poultry, spreading via wild birds, droppings, equipment, or contaminated clothing.
- The Wisconsin Department of Health Services and Jefferson County Public Health are tracking exposed farm workers for potential symptoms.
- Producers are urged to tighten biosecurity, and a DATCP mapping tool is available to check whether flocks fall within the control area.