1. Infodemic management in the 21st century -- 2. Key concepts and definitions in infodemic management -- 3. People's Experience of Information Overload and Its Impact on Infodemic Harms -- 4. The Information Environment and Its Influence on Misinformation Effects -- 5. Fighting the Fallacies - The 'infodemic' and the European Commission -- 6. Smart Health! Expanding the need for new literacies -- 7. To debunk or not to debunk? Correcting (mis)information -- 8. Prebunking against misinformation in the modern digital age -- 9. Addressing mis- and disinformation on social media -- 10. Partnering with communities for effective management of health emergencies: Four case studies.