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The fields of science, engineering, technology and math offer a wide variety of exciting and important careers. Readers will discover what it takes to succeed in these STEM careers, from what kinds of education they will need to what a day on the job is l..Title: .Epidemiologist..Author: .Yomtov, Nel..Publisher: .Cherry Lake Pub..Publication Date: .2013/01/01..Number of Pages: ...Binding Type: .LIBRARY..Library of Congress: .2012034721