The link you followed will bring you to this page:

https://www.rtl.fr/actu/international/coronavirus-au-debut-c-etait-comme-un-rhume-albert-ii-de-monaco-se-confie-sur-rtl-7800300663?fbclid=IwAR0_kJhhn8fDVsk4p0nng7Eu6tD07qFRA8PZ0NuXkToUHhXzFxKA7FghSD4