Letter from CJ Collins Regulatory Affairs Manager at Armour Pharmaceutical Company Limited to Mr A Woodhead at the Department of Health and Social Security Defect Medicines Reporting Centre. Regarding notification of an on-going blood product surveillance programme in the USA which has found that one donor whose plasma was incorporated into pools from which Heat-Treated Factorate was prepared had subsequently developed AIDS. The two implicated batches of Heat-Treated Factorate were imported into the UK for administration through treatment of Haemophilia.