Methods in Field Epidemiology [1 ed.] 0763784591, 9780763784591

This unique guidebook covers all aspects of practical field epidemiologic investigation. It explains the requirements, d

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Methods in Field Epidemiology [1 ed.]
 0763784591, 9780763784591

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Pia D. M. MacDonald

ethods in

rrELD EPIDEMIOLOGY

THE AMERICAN PUBLIC HEALTH ASSOCIATION The American Public Health Association (APHA) is the oldest and most

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diverse organization of public health professionals in the world and has been working to improve public health since 1872. The Association aims to protect all Americans, their families, and their communities from preventable, serious health threats and strives to assure community-based health promotion and disease prevention activities and preventive health services are universally accessible in the United States. APHA represents a broad array of health professionals and others who care about their own health and the health of their communities.

APHA builds a collective voice for public health, working to ensure access to health care, protect funding for core public health services, and eliminate health disparities, among a myriad of other issues. Through its two flagship publications, the peer-reviewed American Journal of Public Health, celebrating 100 years of publishing, and the awardwinning newspaper The Nation's Health, along with its e-newsletter Inside Public Health and a strong books program, the Association communicates the latest public health science and practice to members, opinion leaders, and the public.

APHA is delighted to partner with Jones & Bartlett Learning on important public health issues. More on APHA can be found at www.apha.org.

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IELD PIDEMIOLOGY Pia D. M. MacDonald, PhD, MPH, CPH Research Associate Professor Department of Epidemiology Director UNC Center for Public Health Preparedness North Carolina Institute for Public Health

Gillings School of Global Public Health University of North Carolinasat’Ghapel Hill es oes Hill, North Carolina

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system, without written permission from the copyright owner. This publication is designed to provide accurate and authoritative information in regard to the Subject Matter covered. It is sold with the understanding that the publisher is not engaged in rendering legal, accounting, or

other professional service. If legal advice or other expert assistance is required, the service of acompetent professional person should be sought. Production Credits

Publisher: Michael Brown Editorial Assistant: Teresa Reilly

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Cover and Title Page Image: © szefei/ShutterStock, Inc. Printing and Binding: Malloy, Inc. Cover Printing: Malloy, Inc. Library of Congress Cataloging-in-Publication Data

MacDonald, Pia D. M.

Methods in field epidemiology / Pia D. M. MacDonald. p-;¢m. Includes bibliographical references and index. ISBN-13: 978-0-7637-8459-1 (pbk.) ISBN-10: 0-7637-8459-1 (pbk.)

1. Clinical epidemiology—Methodology. I. Title. [DNLM: 1. Epidemiologic Methods. 2. Disease Outbreaks. WA 950] RA652.2,.C55M33 2012 614.4—dce23

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Printed in the United States of America Seal hoe

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Dedication To my husband, Daniel, and my parents, Gillan and Donald.

In memory of my brother, Ian MacDonald, who provided unwavering support of my endeavors during his lifetime.

Digitized by the Internet Archive In 2023 with funding from Kahle/Austin Foundation

https://archive.org/details/methodsinfieldep0000macd

CONTENTS

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When Does a Number of Cases Become an Outbreak?

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The Components of an Outbreak Investigation ... 1.0... 0.000 eee eee iS 1. Verify the Diagnosis and Confirm the Outbreak .......5........... 14 2. Define a (ase and Conduct Case, Finding «0. octqaahceds oes dees y+> 14 3 Tabulateand Orient/Data::l ime, Places Person. ...4.05% 0.25 05005 14

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CONTENTS

ee 15 ee Oe SHOW OW CHOTA. so oes Sa. bse ark ake Be ee 1. Verify the Diagnosis and Confirm the Outbreak ..........------+- 16 see: 16 =n0n 2 2. Define-a Gase and Conduct Case Finding ..5..75 6427525 3. Tabulate and Orient the Information: Person, Place, Time

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Lake tmimediate Control: Measttess ses. nn eta nce oer etaeaetae e eee Se Pormulate@and: | esti ypotneses awit, tome enu onal Planvand ExecurevAdditi Siudies ..