> In this study, we enrolled healthy volunteers who were to be vaccinated with an <i>inactivated SARS-CoV-2 vaccine</i> (Vero Cell) ... To our surprise, we observed quite consistent pathophysiological changes regarding electrolyte contents, coagulation profiles, renal function as well as cholesterol and glucose metabolic-related features, as if these people had experienced an infection with SARS-CoV-2.