*Prepared by B.R. Murphy & P.L. Collins, Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases NIH, Bethesda, MD, USA. Requests for reprints should be sent to Chief, Vaccination Research and Development, World Health Organization, 1211 Geneva 27, Switzerland.
This Memorandum is based on the report of a Joint WHO/National Institute of Allergy and Infectious Diseases meeting held in Bethesda, MD, USA, on 30 September to 1 October 1996. The participants were as follows: Temporary advisers: Dr M.A. Billeter, Zurich, Switzerland; Dr H. Binz, St. Julien-en-Genevois, France; Dr G. Cates, North York, Ontario, Canada; Dr M. Clements, Baltimore, MD, USA; Dr. P. Collins (Rapporteur), Bethesda, MD, USA; Dr M. Ewasyshyn, North York, Ontario, Canada; Dr S.W. Hildreth, West Henrietta, NY, USA; Dr M. Hortel de Pellufo, Montevideo, Uruguay; Dr K. Juhasz, Bethesda, MD, USA; Dr R. Karron, Baltimore, MD, USA; Dr D. Kolakofsky, Geneva, Switzerland; Dr Ling Ai Ee, Singapore; Dr B. Murphy (Rapporteur), Bethesda, MD, USA; Dr C.R. Pringle, Coventry, England; Dr V.B. Randolph, Pearl River, NY, USA; Dr J.K. Rose, New Haven, CT, USA; Dr J.M. Tatem, Bethesda, MD, USA; Dr E. Vardas, Sandringham, South Africa; Dr S. Whitehead, Bethesda, MD, USA; Dr P.F. Wright, South Nashville, TE, USA; and Dr L.S. Wyatt, Bethesda, MD, USA. WHO Secretariat: Dr Jose Luis Di Fabio and Dr Y. Pervikov.