The first human case of avian flu in the U.S. is reported in Colorado

In this photo from October 2015, cage-free chickens walk in a fenced pasture at an organic farm near Waukon, Iowa.

The patient is an inmate involved in the culling of poultry that was presumptively infected with H5N1 bird flu at a commercial farm. The virus, while deadly for birds, poses a low risk to humans.

(Image credit: Charlie Neibergall/AP)

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