Principles of Epidemiology in Public Health Practice: An Introduction to Applied Epidemiology and Biostatistics (40 mins)
Read "Lesson One: Introduction to Epidemiology," pages 1-1 to 1-20. Pay close attention to the role and the importance of epidemiolgy as it pertains to public health practice.
Click http://web.archive.org/web/20230519060949/https://www.cdc.gov/csels/dsepd/ss1978/SS1978.pdf link to open resource.