Health notice to regional health authorities, district health authorities, special health authorities for the London postgraduate teaching hospitals, Central Blood Laboratory Authority, Public Health Laboratory Services Board, and family practitioner committees for action (and community health councils for information) June 1986 regarding Health Services Development - Advisory Committee on Dangerous Pathogens (ACDP) - Revised Guidelines on LAV-HTLV III - The Causative Agent of AIDS and Related Conditions.