More US cows being tested, tracked in bid to stop bird flu theusnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theusnews.com Daily Mail and Mail on Sunday newspapers.
U.S. health and agriculture officials are ramping up testing and tracking of bird flu in dairy cows in an urgent effort to understand and stop the growing outbreak. So far, the risk to humans remains low, officials said, but scientists are wary that the virus could change to spread more easily among people.…