One in Five Milk Samples Nationwide Shows Genetic Traces of Bird Flu NYT: Science By: Emily Anthes and Noah Weiland 25 April 2024 at 19:16 There is no evidence that the milk is unsafe to drink, scientists say. But the survey result strongly hints that the outbreak may be widespread. ยฉ Robert F. Bukaty/Associated PressFederal officials conducting a national survey of milk samples have found a high percentage carry genetic traces of bird flu virus.