JEFFERSON, Wis. — Health officials on Thursday confirmed a second case of bird flu at a facility within Jefferson County following surveillance testing of the infected poultry flock.

The H5N1 highly pathogenic avian influenza (HPAI) virus, which is highly contagious and often fatal to domestic poultry, has continued to circulate in both wild and domestic birds in North America since December 2021. These viruses can also spread through clothing worn by anyone working with the animals.

The Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) and USDA animal health officials are working together to quarantine the affected areas. Birds on the property will be culled to prevent further spread, and these birds will not enter the food system.

DATCP continues to urge all l

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