AdvertisementThe first human case of avian flu in the U.S. is reported in ColoradoApril 29, 2022Rina TorchinskyfacebookEmailA Colorado inmate involved in the culling of poultry at a farm as part of a pre-release program has the first human case of avian flu in the United States. Here, cage-free chickens walk in a fenced pasture at an organic farm near Waukon, Iowa, in October 2015. (AP)