Conectados: Social Networks and Social Media for Vaccine Uptake

"The intervention is a brief, community-informed educational video (2-3 minutes) focused on seasonal flu and COVID-19 vaccination. The video was developed using human-centered design and community-based participatory methods with Indigenous community members in California. It aims to promote trust in vaccines by presenting clear, culturally relevant health information.~The video is disseminated using three behavioral delivery strategies: (1) paid advertisements on Facebook and Instagram targeting adults in California, (2) peer-to-peer sharing by participants who previously enrolled in the study and are invited to serve as seeds who share the video with their personal contacts, and (3) distribution by trusted community-based organizations (CBOs) using their existing communication networks, including WhatsApp, social media, email, and newsletters. All viewers are prompted to complete a one-question trust poll and invited to participate in an optional anonymous survey on vaccine attitud"