Table 1 Stakeholders involved in the transmission of the message/Author construction.

From: Stakeholders and impact (engagement) in EU digital communication strategies during the COVID-19 vaccination campaign

Stakeholders

01. Tweet without mention

02. Tweet with mention / @ to EU supranational institutions

03. Tweet with mention / @ to different instances in the member countries

04. Tweet with mention / @ to EU political leaders/public officials

05. Tweet with mention / @ to EU/member states public figures (celebrities)

06. Tweet with mention / @ to academics/researchers/scientists

07. Tweet with mention / @ to civil society associations

08. Tweet with mention / @ to mass/online media

09. Tweet with mention / @ to other stakeholder

10. Quote Tweet

10.1. EU institutional/political Stakeholder

10.2. Academics/researchers/scientists

10.3. Other quotations