ITHACA, NEW YORK - DECEMBER 10: HDC receiving staff prep arriving milk samples for testing at the Animal Health Diagnostic Center at Cornell University on December 10, 2024 in Ithaca, New York. The U.S. Department of Agriculture last week issued a federal order that requires the testing of the nation's milk supply amid increasing concerns over HPAI (a strain of the H5N1 avian flu), which has been raising alarm since it was first detected in a Texas cow. In July 2024, New York lawmakers gave $19.5 million in order to expand the Animal Health Diagnostic Center at Cornell University, after avian flu was confirmed to be spreading to dairy cattle. The virus has spread to over 710 dairy herds across 15 states. (Photo by Michael M. Santiago/Getty Images) Getty Images

When a highly pathogenic a

See Full Page