CHICAGO (Reuters) -The U.S. government said on Monday it is collecting samples of ground beef at retail stores in states with outbreaks of bird flu in dairy cows for testing, but remains confident the meat supply is safe. Federal officials are seeking to verify the safety of milk and meat after confirming the H5N1 virus in 34 dairy cattle herds in nine states since late March, and in one person in Texas. Both the U.S. Centers for Disease Control and Prevention and the World Health Organization... Read this story