Testing for H5N1 infection has been limited, and the outbreak was never confined. But asymptomatic cows in North Carolina may require a reassessment.Testing for H5N1 infection has been limited, and the outbreak was never confined. But asymptomatic cows in North Carolina may require a reassessment.Read Moreyour-feed-science, Avian Influenza, Tests (Medical), Agriculture and Farming, Federal-State Relations (US), Disease Rates, Dairy Products, Veterinary Medicine, Research, Animals, Poultry, Birds, Viruses, Livestock Diseases, Pigs, Cattle, Influenza, Milk, Agriculture DepartmentNYT > Health