This volume is based on the National Academy of Sciences' colloquium entitled "Changes in Human Ecology and Behavior: Effects on Infectious Diseases." The articles appearing in these pages were contributed by speakers at the colloquium and have not been independently reviewed. Any opinions, findings, conclusions, or recommendations expressed in this volume are those of the authors and do not necessarily reflect the views of the National Academy of Sciences.

The National Academy of Sciences is a private, nonprofit, self-perpetuating society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a mandate that requires it to advise the federal government on scientific and technical matters. Dr. Bruce M. Alberts is president of the National Academy of Sciences.

Library of Congress Cataloging-in-Publication Data

Infectious diseases in an age of change: the impact of human ecology and behavior on disease transmission / Bernard Roizman, editor

p. cm.

Includes bibliographical references and index.

1. Communicable diseases. I. Roizman, Bernard, 1929-[DNLM: 1. Communicable Diseases—epidemiology. 2. Risk Factors. 3. Social Environment. WC 100 14156 1995]

RA643.1654 1995

616.9—dc20

DNLM/DLC

for Library of Congress 94-31151

CIP