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Questions and Answers
What is the prevalence of HIV in the general population?
What is the prevalence of HIV in the general population?
- 6,600 per 5,800,000 persons
- 3,600 per 200,000 persons
- 1.14 per 1000 persons
- 18 per 1000 persons (correct)
What is the prevalence of HIV among Men who have Sex with Men (MSM)?
What is the prevalence of HIV among Men who have Sex with Men (MSM)?
- 1.14 per 1000 persons (correct)
- 3,600 per 200,000 persons
- 6,600 per 5,800,000 persons
- 18 per 1000 persons
What is the Attack Rate (AR) formula used in a disease outbreak?
What is the Attack Rate (AR) formula used in a disease outbreak?
- Number of cases during outbreak / Total population
- Total population / Number of cases during outbreak
- Number of cases during outbreak / Population at risk (correct)
- Population at risk / Number of cases during outbreak
In the context of a disease outbreak, what does Attack Rate measure?
In the context of a disease outbreak, what does Attack Rate measure?
In the Oswego county outbreak of 1940, what was the Attack Rate for individuals who ate vanilla ice cream?
In the Oswego county outbreak of 1940, what was the Attack Rate for individuals who ate vanilla ice cream?
What was the Attack Rate for individuals who did NOT eat ice cream in the Oswego county outbreak of 1940?
What was the Attack Rate for individuals who did NOT eat ice cream in the Oswego county outbreak of 1940?
What type of study is also known as an 'interrupted time series' study?
What type of study is also known as an 'interrupted time series' study?
In the 'Doctors study' by Doll and Hill, which of the following diseases was NOT found to be more common among smokers?
In the 'Doctors study' by Doll and Hill, which of the following diseases was NOT found to be more common among smokers?
What is the formula for calculating a rate?
What is the formula for calculating a rate?
Which term refers to the probability of an event occurring, essentially a proportion of cases to people at risk?
Which term refers to the probability of an event occurring, essentially a proportion of cases to people at risk?
The term 'Hazard' in epidemiology refers to what?
The term 'Hazard' in epidemiology refers to what?
What is the formula for calculating a proportion?
What is the formula for calculating a proportion?
What was the primary contribution of William Farr in the field of epidemiology?
What was the primary contribution of William Farr in the field of epidemiology?
Which of the following statements about John Snow is correct?
Which of the following statements about John Snow is correct?
What was the prevailing theory for cholera during the 19th century?
What was the prevailing theory for cholera during the 19th century?
Which of the following individuals subscribed to the miasma theory of cholera?
Which of the following individuals subscribed to the miasma theory of cholera?
What pattern of deaths during an epidemic did William Farr describe?
What pattern of deaths during an epidemic did William Farr describe?
Which of the following statements about John Snow's investigation of the 1854 cholera outbreak in Soho, London, is correct?
Which of the following statements about John Snow's investigation of the 1854 cholera outbreak in Soho, London, is correct?
What is the purpose of direct age standardization in comparing mortality rates between different populations?
What is the purpose of direct age standardization in comparing mortality rates between different populations?
Which infectious disease has a very rare occurrence and a significantly high Case Fatality Rate (CFR)?
Which infectious disease has a very rare occurrence and a significantly high Case Fatality Rate (CFR)?
Why does the text mention the need for standardization in comparing mortality rates?
Why does the text mention the need for standardization in comparing mortality rates?
What does the Case Fatality Rate (CFR) of a disease indicate?
What does the Case Fatality Rate (CFR) of a disease indicate?
How does direct age standardization help in comparing mortality rates?
How does direct age standardization help in comparing mortality rates?
Which statement best describes the relationship between incidence rate, Case Fatality Rate (CFR), and Mortality rate?
Which statement best describes the relationship between incidence rate, Case Fatality Rate (CFR), and Mortality rate?
What was the attack rate of diarrhea among the individuals who attended the church supper in Oswego county in 1940?
What was the attack rate of diarrhea among the individuals who attended the church supper in Oswego county in 1940?
What percentage of people who ate vanilla ice cream at the church supper fell ill with diarrhea?
What percentage of people who ate vanilla ice cream at the church supper fell ill with diarrhea?
What was the attack rate of diarrhea among individuals who did NOT eat ice cream at the church supper?
What was the attack rate of diarrhea among individuals who did NOT eat ice cream at the church supper?
In the example provided in 2020, what was the COVID-19 mortality rate in the country with a population of 10,700,000?
In the example provided in 2020, what was the COVID-19 mortality rate in the country with a population of 10,700,000?
What does Case Fatality Rate (CFR) represent?
What does Case Fatality Rate (CFR) represent?
Which measure uses ill persons as the denominator for calculating deaths?
Which measure uses ill persons as the denominator for calculating deaths?
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