The Lancet reported that 34% of people with haemophilia receiving pooled clotting factors had tested positive. Linked evidence NHBT0000068_015 - Article in The Lancet titled 'Prevalence of Antibody to Human T-Lymphotropic Virus Type III in AIDS and AIDS-risk patients in Britain'; 1 September 1984 Chronology Information Date: 1 September 1984 Chapter/issue Screening for HIV