"Despite the industry pointing its finger at the wild birds, it's just not there," said Michael Osterholm, who directs the Center for Infectious Disease Research and Policy at the University of Minnesota. "It was not the source of widespread transmission to many operations throughout the Upper Midwest."
Osterholm said there are a couple of holes in the waterfowl theory.
Backyard poultry flocks should have been hit hardest because those birds were most exposed to migrating waterfowl. Instead, those birds were largely spared, he said. ...
as Saturday's anniversary of the first outbreak approaches, the source of the disease remains a mystery, and fissures are forming in the alliance that battled the virus a year ago.
http://www.mprnews.org/story/2016/03/01/bird-flu-outbreak-mystery
Osterholm said there are a couple of holes in the waterfowl theory.
Backyard poultry flocks should have been hit hardest because those birds were most exposed to migrating waterfowl. Instead, those birds were largely spared, he said. ...
as Saturday's anniversary of the first outbreak approaches, the source of the disease remains a mystery, and fissures are forming in the alliance that battled the virus a year ago.
http://www.mprnews.org/story/2016/03/01/bird-flu-outbreak-mystery