Bird Flu 2024 Nz. The virus responsible is a strain of avian influenza. Scientists have been growing increasingly concerned by the spread and evolution of h5n1 avian flu, which has killed tens of millions of poultry birds in four years and been.
The highly pathogenic h5n1 strain of bird flu has even spilled over into mammals. Hundreds of millions of birds have now been destroyed around the globe due to infection with highly pathogenic strains of avian influenza, mostly the h5 and h7.