H5N1 is airborne and spread by migratory birds, making it hard to control.
Despite culling millions of birds, the virus spreads, raising prices and increasing human cases.
This is a global health crisis.
H5N1 is airborne and spread by migratory birds, making it hard to control.
Despite culling millions of birds, the virus spreads, raising prices and increasing human cases.
This is a global health crisis.