1.What is epidemiologic surveillance and what kinds of data are required to engage in this kind of prevention in public health?2.When conducting an epidemiologic investigation, what kinds of questions are asked by “medical detectives” ?3.Epidemiology has had a different role to play in investigating the causes of the diseases common in older age, such as cancer and heart disease, which are quite different from infectious diseases or acute poisoning. How has epidemiology contributed to our understanding of how to protect ourselves from chronic diseases as we age? What are some of the methods used, and some of the vital information we’ve learned, about major killers like heart disease and lung disease?4.Describe your general thoughts and reactions to the description of Dr. Katrina Roper, a “shoeleather” epidemiologist from the World Health Organization (WHO) who worked in Freetown, Sierre Leone, during the ebola outbreak in 2015.ÿ5.Why do the numbers lie even more than usual in Greenland? How does this make epidemiologic surveillance more challenging?Note: “Goats and Soda” is a subsection of NPR, and is aÿplace for stories from a changing world. Just in case you’re confused by the words goats and soda in the article.REFERENCE TO ANSWERS THE QUESTIONSÿhttp://www.npr.org/sections/goatsandsoda/2017/02/02/512505625/hey-wait-don-t-eat-that-sneezing-chimphttps://www.youtube.com/watch?v=hs8wjxW4U4Ehttps://www.youtube.com/watch?v=3ywdmdyy-S4https://www.youtube.com/watch?v=8q8xv6wilQshttp://who.int/features/2015/ebola-epidemiologist-freetown/en/http://www.npr.org/sections/goatsandsoda/2016/04/21/475003055/numbers-lie-even-more-than-usual-in-greenland