PROmotion of COVID-19 BOOSTer VA(X)Ccination in the Emergency Department - PROBOOSTVAXED

"1. Video clips - short (approximately 3-minute) Public Service Announcement type videos to be viewed by participant using a QR code on their smartphone. If no smartphone is available, the video will be shown to the participant on an iPad.~2. Printed materials - one page information sheets handed to subjects by CRCs.~3. Face to face messaging - short (\< 1 minute), scripted message from the patient's providers in the ED (nurse or provider)~Each site will maintain a library of~A. 5 versions of the videos - the version used in any participant will be tailored to that participant's stated race/ethnicity.~B. 5 versions of printed flyers - likewise, the version will be tailored to the participant's stated race/ethnicity.~C. 1 version of scripted message to be delivered in English or Spanish."

"The last question in the Vaccine Acceptance Survey in both the Intervention M and Intervention Q arms of the study is Would you accept the COVID-19 booster vaccine in the emergency department today if your doctor asked you?"