In the August issue of Gut one of the authors was omitted from the paper by Goulding et al (C Goulding, A Murphy, G MacDonald, S Barrett, J Crowe, J Hegarty, S McKiernan, and D Kelleher. The CCR5-Δ32 mutation: impact on disease outcome in individuals with hepatitis C infection from a single source. Gut 2005;54:1157–1161). R McManus (Department of Clinical Medicine and the Dublin Molecular Medicine Centre, Trinity Centre for Health Sciences, St James Hospital, Dublin 8, Ireland) should have been listed as the second author on the paper.