For Health Science Students
Girma Lemma Defense University College
In collaboration with the Ethiopia Public Health Training Initiative, The Carter Center, the Ethiopia Ministry of Health, and the Ethiopia Ministry of Education
Funded under USAID Cooperative Agreement No. 663-A-00-00-0358-00. Produced in collaboration with the Ethiopia Public Health Training Initiative, The Carter Center, the Ethiopia Ministry of Health, and the Ethiopia Ministry of Education.
Important Guidelines for Printing and Photocopying Limited permission is granted free of charge to print or photocopy all pages of this publication for educational, not-for-profit use by health care workers, students or faculty. All copies must retain all author credits and copyright notices included in the original document. Under no circumstances is it permissible to sell or distribute on a commercial basis, or to claim authorship of, copies of material reproduced from this publication. ©2006 by Girma Lemma All rights reserved. Except as expressly provided above, no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without written permission of the author or authors.
This material is intended for educational use only by practicing health care workers or students and faculty in a health care field.
The writer acknowledges with gratitude THE CARTER CENTER (TCC) ETHIOPIAN PUBLIC HEALTH TRAINING INITIATIVE (EPHTI) for initiating and providing financial support for the preparation of this lecture note. I would like to extend my special thanks and appreciation to Dr.Youdit Abraha and Dr. Bekele Kebede, dean and associate dean of the Defense College of Health Sciences, for their facilitation and constant monitoring of the work. The insightful comments forwarded by ato Waleligne...