This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Global spread of HN map.svg bc Countries with humans poultry and wild birds killed by HN Countries with poultry or wild birds killed by HN and has reported human cases of HN cd Countries with poultry or wild birds killed by HN Own work Derived from Global spread of HN map and BlankMapWorld svg by User Shizhao and en User Canuckguy