Report from the Working Party of the Regional Transfusion Directors Committee on the Screening of Blood Donations for Anti-HTLV III in Regional Blood Transfusion Centres. Agreement that routine screening tests for anti-HTLV III should not be introduced until evaluation of different tests have been completed Reference Centres had been established and venues for anti-HTLV III tests for members of the General Public who were not blood donors had been established. Discussion on how to interpret results. Includes as an appendix a template letter informing individuals that they have tested positive for HTLV-III antibody.