Vaccine escape, increased breakthrough and reinfection in infliximab-treated patients with IBD during the Omicron wave of the SARS-CoV-2 pandemic. - Kennedy NA; Janjua M; Chanchlani N; Lin S; Bewshea C; Nice R; McDonald TJ; Auckland C; Harries LW; Davies M; Michell S; Kok KB; et al. (Gut, 2023)