The prevalence rate of tuberculosis in one particular county in Texas is 7/1000 people, while the incidence rate for 2011 is 2/1000 people. Analyze this data and summarize the situation.
A. Incidence rate should really be higher than prevalence rate because it includes all new cases for the year.
B. The data were collected incorrectly because the two values should match.
C. Prevalence rate is higher than incidence rate because the number of people still alive with tuberculosis is higher because of better treatments.
D. Prevalence rate and incidence rate cannot be determined for the same disease.
Answer: C
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