Sponsored Instagram Story from Biogen Spokesperson’s Account Links to Tysabri (Video Included) Nov 21, 2017Nov 22, 2017 Brand: Tysabri (natalizumab), Intravenous Infusion Parent Company: Biogen Drug Type: Boxed Warning Drug Category: Neurology Campaign: Unbranded, Post-Launch Targeting: Patients, Caregivers Patient Website: https://www.tysabri.com/ HCP Website: https://www.tysabrihcp.com/ Video story, screenshot 1 Screenshot 2 Swipe up Tysabri landing page, no scroll Scroll 1 Scroll 2 Video of the ad: