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Backyard chickens
Avian influenzas, including the highly pathogenic varieties, can infect birds both wild and domesticated. Birds carrying the virus can pass it on to other birds through airborne contact, as it is found in respiratory secretions and saliva.More
Influenza A virus
Influenza is an infectious disease that can be transmitted between and among numerous species of animals, including humans and other mammals, and wild and domesticated birds.More
Visualization by Scott Gordon. Data source: Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP).
Avian influenza struck more than 1.9 million chickens, turkeys and mixed-breed fowl across four Wisconsin counties between April and May 2015.More
Avian flu impacts in the U.S.
The 2015 avian influenza epidemic was the largest in U.S. history, affecting more than 48 million domestic poultry birds in 15 states between December 2014 and June 2015, according to the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service.More
Turkeys
Wisconsin's bout with avian influenza came amid an epidemic that would eventually become the worst in U.S. history.More
Avian flu impacts in Barron County
When considering the 2015 avian influenza epidemic in the U.S., it's important not to assume that the disease spread according to any one neat geographical pathway.More
Barron County officials discuss avian flu
Barron County, located in northwestern Wisconsin, is home to multiple turkey farms and a Jennie-O processing plant. Five flocks were struck with avian influenza there over April and May.More
Darlene Konkle on "University Place"
This year's avian influenza epidemic put Wisconsin agriculture officials through one of the toughest tests they've faced in a long time.More
Russ Feingold on "Here And Now"
When it comes to the influence of money in elections, former U.S. Sen. Russ Feingold is among the most outspoken in American politics — and the most prominent voice on the issue in Wisconsin.More
Talgo train in Oregon
The state of Wisconsin keeps on paying for trains that aren't running in, to or from any of its communities.More