The pandemic crisis has led to a renew centrality of public sector communica-tion in a hybrid and convergent media ecosystems aiming at (re)building relation-ships based on trust between institutions and citizens. This contribution reflects on the strengths and fragility of the Italian public communication in the face of the pandemic, considering regulatory processes and paths of professionalization. It focuses also on the challenges of social media use in public sector, suggesting a critical approach towards the platformization of the public sector communication activities. The last part of this manuscript presents the different articles that com-pose the special issue.
Keywords: public sector communication, platformization, pandemic challenges, public communicators, social media.