Websites about the current status concerning Corona situation and travel regulations:

CORONA SITUATION IN NAMIBIA AND COUNTRIES WORLDWIDE
https://www.worldometers.info/coronavirus/country/namibia/
https://www.worldometers.info/coronavirus/#countries
https://edition.cnn.com/interactive/2020/health/coronavirus-maps-and-cases/

TRAVEL REGULATIONS OF NAMIBIA AND COUNTRIES WORLDWIDE
https://www.iatatravelcentre.com/world.php