The same genotype was detected in a severe human case that resulted in the United States’ first bird flu-related death.

Pennsylvania is now the first major U.S. dairy-producing state to achieve the “HPAI-Free” status in the USDA’s National Milk ...

Three veterinarians who work with cows have tested positive for prior infections of H5 bird flu, according to a study ...

A genotype of highly pathogenic avian influenza previously identified in wild birds has been found for the first time in ...

Pennsylvania has become the first major dairy producing state to achieve HPAI-free status from the USDA for its milk supply.

Originally found mostly in wild birds and poultry, H5N1 clade 2.3.4.4b, genotype D1.1, was discovered in dairy cattle last ...

A new strain of the H5N1 bird flu virus has been detected in milk samples collected from dairy cows in Nevada.

On Jan. 31, 2025, the USDA Animal and Plant Health Inspection Service (APHIS) National Veterinary Services Laboratories (NVSL ...

This is the first detection of the virus genotype in dairy cattle ... change USDA’s HPAI eradication strategy and "is a testament to the strength of our National Milk Testing Strategy ...

Yet another new strain of bird flu was confirmed by the U.S. Department of Agriculture (USDA) last week in milk samples ...