Please go to this CDC webpage  (Links to an external site.)Links to an external site.and download the “Gastroenteritis” study. It will take you about 2-3 hours to go through the program. Be sure and answer all of the questions because some of these will appear on your final exam! Note: In this investigation they organize the “steps” into 6 rather than 10…but despite the older organization of the protocol, you will still see 10 steps covered in their list. 
After completing this answer the following question: 
In your opinion, after completing the investigation, what is the most difficult part of studying ANY outbreak…from obesity to Ebola?