Avian influenza, or “bird flu,” is a disease caused by influenza A viruses that spread widely among wild birds, and can cause outbreaks in commercial and backyard poultry flocks. Though there ...

Supply chains have been limited since an avian influenza outbreak in mid-2024. And eggs are still in short supply on some ...

since emerging in 2020 in Europe, the current bird flu strain, H5N1, has been declared the largest avian flu epidemic ever on that continent and has spread to Africa, the Middle East and Asia.