Community Concerns About the COVID-19 Vaccine Tracked by Twitter
Penn Today
July 19, 2021
April 08, 2026
Analysis of 78 million vaccine-related tweets revealed that distinct US community types — from African American South communities to evangelical hubs to urban suburbs — had strikingly different vaccine concerns correlated with actual vaccination rates. The findings offer a roadmap for designing community-specific public health messaging around vaccine hesitancy. Featured: Sharath Guntuku.