To Spray or Not to Spray

A Debate Over Malaria and DDT

Co Authors:	Frank J. Dinan Department of Chemistry & Biochemistry Canisius College dinan@canisius.edu Joseph Bieron Department of Chemistry & Biochemistry Canisius College bieron@canisius.edu
Abstract:	In this case study, students grapple with the complex issues surrounding the use of DDT to control malaria in the developing world. In their examination of the issue, students consider risk/benefit analysis and the precautionary principle, two techniques used when making policy decisions involving the impact of science and technology on society. The case has been used in a senior honors seminar for both majors and non-majors dealing with the nature and impact of science and technology on society as well as in an organic chemistry course for science majors.
Objectives:	To explore the controversy and uncertainty that often arise in the interaction of science and technology with society. To introduce the major concepts of risk/benefit analysis and the precautionary principle and explore their strengths and weaknesses. To raise awareness of the ethical and moral implications that often underlying taking or avoiding technological risks.
Keywords:	Malaria; DDT; dichlorodiphenyltrichloroethane; chemical insecticide; pesticide; disease vector control; risk benefit analysis; precautionary principle; United Nations; developing world
Topical Area:	Ethics, Policy issues, Scientific argumentation, Social issues, Social justice issues
Educational Level:	High school, Undergraduate lower division
Formats:	PDF
Type/Method:	Dilemma/Decision, Role-Play, Student Presentations
Language:	English
Subject Headings:	Science (General) Biology (General) Chemistry (General) Public Health
Date Posted:	03/14/01
Date Modified:	N/A
Copyright:	Copyright held by the National Center for Case Study Teaching in Science, University at Buffalo, State University of New York. Please see our usage guidelines, which outline our policy concerning permissible reproduction of this work.

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