Public Officials’ Engagement on Social Media During the Rollout of the COVID-19 Vaccine: Content Analysis of Tweets

Husayn Marani   ^{1, 2} , MSc, PhD ;   Melodie Yunju Song   ^{2, 3} , MSc, PhD ;   Margaret Jamieson   ^{1, 2} , BIE ;   Monika Roerig   ^{1, 2} , MA ;   Sara Allin   ^{1, 2} , MSc, PhD

¹ Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada

² North American Observatory on Health Systems and Policies, University of Toronto, Toronto, ON, Canada

³ Centre for Vaccine Preventable Diseases, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada