In autumn 1974 there was a hepatitis outbreak at the Lord Mayor Treloar College in which 10 boys were affected following receipt of a batch of Hemofil. Linked evidence NHBT0107241 - Haemophilia and Other Coagulation Defects Amongst Boys Resident at Lord Mayor Treloar College - 14 Mar 1975 Chronology Information Date: 1 September 1974 Chapter/issue Treloars