Guidance from D Acheson to All Doctors in England titled Acquired Immune Deficiency Syndrome - AIDS - Booklet 2 - Information For Doctors Concerning the Introduction of the HTLV III Antibody Test. The guidance covers the introduction of screening tests for donors, the procedure, the interpretation of results, advice for general practitioners, counselling for donors, sero-positive women of child-bearing age, employment of positive individuals and confidentiality.