Maintenance therapy with infliximab or vedolizumab in IBD is not associated with increased SARS-CoV-2 seroprevalence: UK experience in the 2020 pandemic. Issue 12 (12th February 2021) - McGregor, Colleen GC; Adams, Alex; Sadler, Ross; Arancibia-Cárcamo, Carolina V; Palmer, Rebecca; Ambrose, Tim; Brain, Oliver; Walsh, Alissa; Klenerman, Paul; Travis, Simon PL; Croft, Nicholas M; Lindsay, James O; et al.