NCT04876885.

Study name	The future of viral communications: video‐based health promotion strategies for COVID‐19 vaccinations
Starting date	6 May 2021
Contact information	Sarrah M Lal, 289.808.8597, lals2@mcmaster.ca
Methods	Study design: non‐randomised intervention study Type of publication: trial registration Setting: NR Country: USA Language: English
Intervention	For the general public: three two‐minute educational videos about COVID‐19 vaccine development and dissemination For healthcare professionals and public health professionals: three two‐minute educational videos about COVID‐19 vaccine development and dissemination
Population	Population: general public and healthcare professionals  Inclusion criteria For the general public arm An understanding of the English language at a grade 8 written level Reside in Ontario For the healthcare professionals and public health professionals arm Licensed to practice as a healthcare professional in Ontario An understanding of the English language at a grade 8 written level Reside in Ontario
Outcomes	Primary outcome Number of participants indicating intent to vaccinate against COVID‐19 [Time frame: one month Secondary outcome Change in score regarding vaccine hesitation after exposure to educational materials [Time frame: one month]
Estimated completion date and number of participants	6 June2021 with 100 participants
Notes	Funding: McMaster University COI: NR