NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance.

Support for this project was provided by U.S. Environmental Protection Agency, Centers for Disease Control and Prevention, National Science Foundation, National Aeronautics and Space Administration, National Oceanic and Atmospheric Administration, U.S. Geological Survey, U.S. Global Change Research Program, and the Electric Power Research Institute. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the sponsors.

Library of Congress Cataloging-in-Publication Data

Under the weather : climate, ecosystems, and infectious disease / National Research Council Division on Earth and Life Studies Board on Atmospheric Sciences and Climate Committee on Climate, Ecosystems, Infectious Disease, and Human Health.

p. cm.

Includes bibliographical references and index.

1. Medical climatology. 2. Epidemiology. 3. Communicable diseases.

I. National Research Council (U.S.). Committee on Climate, Ecosystems, Infectious Disease, and Human Health.

RA793 .U53 2001

616.9'88—dc21

2001001905

Cover: Images on the cover were obtained from the Centers for Disease Control and Prevention "Public Health Image Library" at http://phil.cdc.gov/phil/default.asp and the NOAA Photo Library at: http://www.photolib.noaa.gov.

Copyright 2001 by the National Academy of Sciences. All rights reserved.

Printed in the United States of America