Published Date: 2024-05-24 23:46:42, Category: News (705406)Time: 02:27 min, View Count= 57 ( + More Social Media views ) , Rating= Title: How annual bird migration could spread avian flu | REUTERSKeywords: annual bird migration spread avian flu | REUTERS Description: Scientists are still trying to understand how a virulent bird flu is spreading through farms in the United States, but one pattern is clear: poultry and cows risk exposure to sick wild birds migrating