How Does Bird Flu Spread in Cows? Experiment Yields Some 'Good News.' The New York TimesFDA finds H5N1 bird flu in half of tested samples but confirms flash pasteurization kills virus CNNFDA says new study proves pasteurization process kills bird flu in milk after all CBS NewsUS to test dairy products including ice cream and butter for H5N1 bird flu virus The Telegraph'Concerning' Bird Flu Study Finds Surfaces Contaminated for a Long Time Newsweek