FILE – Chickens walk in a fenced pasture at an organic farm in Iowa on Oct. 21, 2015. Iowa agriculture officials said Monday, Oct. 31, 2022, that another commercial egg farm in the state has been infected with bird flu, the first commercial farm case identified since April when a turkey farm was infected. The latest case is in Wright County in north central Iowa, housing about 1.1 million chickens. (AP Photo/Charlie Neibergall, File)
