NEW 🚨 Tonight for @BBCPanorama I report on the impact of a boom in anti-vaccine content on social media.

My investigation began when 83-year-old Rosemary emailed me, so frightened by a video on WhatsApp, she felt unsure about having the vaccine.

Here’s her story - more later! pic.twitter.com/CvWEaB8yVM

— Marianna Spring (@mariannaspring) February 15, 2021