Communication
Forceful vaccine messages backfire with holdouts – how can it be done better?
Protesters gather at Indiana University in June 2021 to demonstrate against mandatory COVID-19 vaccinations for students, staff and faculty. SOPA Images/LightRocket via Getty Images S. Shyam Sundar, Penn State With the FDA approval of the Pfizer-BioNTech vaccine and the continued surge of the delta variant, governments across the world have renewed their push to increase