Epidemiology

 
Name_______________________
Question 1 
Epidemiologists gather a lot of information from patients about what they have been doing in their lives in order to get clues about their illness, how they caught it, how it spreads, what type of interactions with people put other people at risk, etc. They compile the information and use it to determine the risks associated with different behaviors.
Can epidemiology predict the likelihood that you, as an individual, will become infected at some point in your life? Explain your answer.
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Question 2 
What are three kinds of information that epidemiology can tell us about diseases?
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Question 3 
What are three criteria for establishing a causal relationship between a factor and a disease? Explain each of these. 
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Question 4  10 pts
Describe two non-AIDS-related examples of epidemiological studies in the past that helped to establish the cause of a disease.
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Question 5  
What are the two basic kinds of epidemiological studies?
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Question 8 
Explain how the presence of different subgroups and clades of the HIV can make it easier for epidemiologists to track the route of transmission of the virus, while at the same time, complicate the detection of the virus in patients. 
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Question 10 
According to the epidemiology data presented in Chapter 6, what sexual practice has been shown to be associated with the highest risk of HIV transmission?