Lecture 1

Question 1

epidemiology

Answer 1

study of disease/outcome distribution in population and factors influencing distribution
-examples: genetics, environment, social determinants

Question 2

types of prevention: first,secondary, tertiary

Answer 2

primary- prevent people getting disease
secondary- early detection of existing disease
–>example:surveillance to look for high risk groups, screening for breast cancer
tertiary: reduce impact of disease
–> treatment

Question 3

john snow

Answer 3

physician and anesthesiologist

• carried out first comprehensive study
• -> cholera outbreak

Question 4

what is the goal of epidemiologist studies?

Answer 4

study distribution of disease/outcomes

• ID causes
• determine extent in community
• evaluate interventions
• provide data for public policy
• prevent and treat disease