Abstract
The Covid-19 health crisis, which shook the world in 2020, aroused keen interest not only in the media, but also among citizens, at the international level. This study focuses on the analysis of arguments of authority, which are powerful tools in editorial rhetoric, used to support positions by relying on recognized sources, focusing specifically on editorials in the French-speaking Moroccan newspaper “Aujourd’hui le Maroc”, relating to two phases, that of containment and that of vaccination. This period was marked by major health, social, economic and political upheavals. In this context, we will examine the editorialists’ choice of arguments in their attempt to persuade, and the construction of this argumentation through the testimony of experts, and the skills and experience of the authorities.