Dairy Cows Transported Between States Must Now Be Tested for Bird Flu NYT: Science By: Noah WeilandοΌ Benjamin Mueller and Emily Anthes 24 April 2024 at 16:36 Since a new form of bird flu arrived in 2022, federal officials have sought to reassure Americans that the threat to the public remained low. Β© Patrick T. Fallon/Agence France-Presse β Getty ImagesThe C.D.C. maintained Wednesday that the risk for the public was still low, with no changes in the genetic makeup of the virus that would allow it to spread more easily to or between humans.