This contributed volume identifies how the information processes of public institutions and citizens have changed throughout the COVID-19 pandemic, within a new context that emerged: the infodemic disorder. Public debate is largely characterized today by a crisis of the legitimacy of institutions, accompanied by a crisis of authority in public communication, leading to the emergency of a state of information disorder due specifically to the need to find information related to the coping of the pandemic. This condition is characterized by growing attention to issues related to ‘fake news’,...