CD40LG and COVID-19: (iii) <i>In vitro</i>, inactivated SARS-CoV-2 induced a dose-dependent release of NAP-2, P-selectin, RANTES, sCD40L and VEGF-A from isolated platelets.<h4>Conclusion</h4>Our findings underscore the role of platelet-derived inflammatory mediators in the pathogenesis of COVID-19, potentially involving direct effects of SARS-CoV-2.