The outbreak of H5N1 bird flu virus in the United States has spread to dairy cows, raising concerns about human infections through the milk supply. The virus has infected millions of chickens, wild birds, and dairy herds across multiple states.
Key Points
Outbreak timeline from 2022 to 2024
Detection of virus in dairy cattle and milk samples
Measures taken by US government and other countries to address the issue
Development of bird flu vaccines for poultry and humans