SAMUEL L.KATZ (chair),

Department of Pediatrics, Duke University Medical Center

A.JOHN BEALE,

Wellcome Research Laboratories, United Kingdom

MARSHALL H.BECKER,

Department of Health Behavior and Health Education, University of Michigan, Ann Arbor

JAMES CHIN,

Department of Health Services, State of California Health and Welfare Agency, Berkeley

PURNELL W.CHOPPIN,

Howard Hughes Medical Institute, Bethesda, Md.

THEODORE C.EICKHOFF,

Department of Internal Medicine, Presbyterian/St Luke’s Medical Center, Denver

FRANCIS A.ENNIS,

Department of Medicine and Molecular Genetics, University of Massachusetts Medical Center, Worcester

HARVEY V.FINEBERG,

Institute for Health Research, Harvard School of Public Health

MAURICE R.HILLEMAN,

Merck Institute for Therapeutic Research, Merck Sharp & Dohme Research Laboratories

GERALD T.KEUSCH,

Division of Geographic Medicine, Tufts University

RICHARD F.KINGHAM,

Covington and Burling, Washington, D.C.

BERNARD ROIZMAN,

Department of Microbiology and Biophysics, University of Chicago

HENRY R.SHINEFIELD,

Department of Pediatrics, Kaiser Permanente Medical Group, San Francisco

JANE E.SISK,

Office of Technology Assessment, United States Congress

CLADD E.STEVENS,

Laboratory of Epidemiology, The New York Blood Center

LEROY WALTERS,

Kennedy Institute of Ethics, Georgetown University

MILTON C.WEINSTEIN,

Institute for Health Research, Harvard School of Public Health

ROY WIDDUS, Study Director and Director,

Division of International Health

ENRIQUETA C.BOND, Director,

Division of Health Promotion and Disease Prevention

GUTHRIE BIRKHEAD, Consultant

CYNTHIA HOWE, Research Assistant

ELAINE MCGARRAUGH, Staff Associate

EVE K.NICHOLS, Editor

JUDE C.PAYNE, Research Assistant

GAIL E.SPEARS, Administrative Secretary

NORA STEINER, Research Assistant