A Hull hospital team has made a major contribution to research indicating that patients with Inflammatory Bowel Disease on a commonly used medication may not mount adequate immunity and immune memory if they contract Covid-19 or following their first dose of the vaccine. Professor Sebastian and his team at Hull University Teaching Hospitals NHS Trust co-led  the CLARITY study of 7,200 patients with Crohn’s disease and ulcerative colitis from 92 hospitals in the country. The…