Summary:
- The article discusses the outbreak of highly pathogenic avian influenza (HPAI) H5N1 virus, also known as bird flu, in the United States.
- The virus has been detected in commercial and backyard poultry flocks, as well as in wild birds, leading to the culling of millions of birds.
- The article highlights the potential risk to dairy workers and the measures being taken to protect them, including vaccination and enhanced biosecurity protocols.