Dr Philip Smith, Digital and Education Editor of Gut and Honorary Consultant Gastroenterologist at the Royal Liverpool Hospital, Liverpool, UK interviews Professor Jun Li from the State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China on the paper "Performance of the China-CLIF framework in acute-on-chronic liver failure: a multicohort study across all aetiologies" published in paper copy in Gut in January 2026.