The Oxford Astra Zeneca vaccine has been associated with a rare complication of cerebral venous sinus thrombosis. Dr Colin Mahoney, JNNP Podcast Editor, interviews Prof David Werring, Professor of Clinical Neurology, UCL Queen Square Institute of Neurology, UK, about the new evidence which supports an association between vaccination and more common large vessel arterial stroke. They also discuss several cases, including treatment, and emerging biological evidence relating to causation.

Read the paper "Ischaemic stroke as a presenting feature of ChAdOx1 nCoV-19 vaccine-induced immune thrombotic thrombocytopaenia", on the JNNP website: https://jnnp.bmj.com/content/early/2021/05/20/jnnp-2021-326984.