On 7 October, 2026, APHIS reported 4 wild birds collected from 20 September to 26 September in 2026 (Trumpeter swan(3), Wood duck(1)) tested positive for EA H5 HPAI strain in (Barron(3), Oconto(1)) counties, Wisconsin.

Submitting Agency: NWDP(USDA Wildlife Services National Wildlife Disease Program)