1. Evidence of Distrust and Disorientation towards Immunization on Online Social Media after Contrasting Political Communication on Vaccines. Results from an Analysis of Twitter Data in Italy. • Samantha Ajovalasit , University of Catania; Veronica Dorgali, University of Florence; Angelo Mazza; Alberto D'Onofrio, INTERNATIONAL PREVENTION RESEARCH INSTITUTE; Piero Manfredi, Università di Pisa.

2. Determinants of Online and Offline Social Support among Older Adults • Beatriz Sofia BS Gil Clavel , Max Planck Institute for demographic Research; Emilio Zagheni, Max Planck Institute for demographic Research; Valeria Bordone, University of Vienna.

3. Multi-Platform Social Media Use and Well-Being: Evidence on Usage Variety and Intensity from the General Social Survey • Sophie Lohmann , Max Planck Institute for Demographic Research (MPIDR); Emilio Zagheni, Max Planck Institute for demographic Research.

4. Screen Use and Depressive Symptoms among Adolescents in Sweden • Li Ma , Centre for Research on Child and Adolescent Mental Health, Karlstad University; Brittany Evans, Karlstad University; Annette Kleppang, Department of Public Health and Sport Sciences, Inland Norway University of Applied Sciences; Curt Hagquist, Centre for Research on Children’s and Adolescent’s Mental Health, Karlstads University.

5. Mobile Phones Increase Immunization Rates: Evidence from the DHS • Alessia Melegaro , Bocconi University; Nicoletta Balbo, Bocconi University; Valentina Rotondi, University of Oxford; Veronica Toffolutti, Queen Mary University of London; Francesco Billari, Bocconi University.