asmi
Forum Hero
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5. The prevalence of a disease is half as great in town A than it is in town B, but the incidence of the disease is no different in town A than it is in town B. Which of the following best explains these findings?
A
) The case fatality rate is twice as high in town A
B
) The duration of the disease is twice as long in town B
C
) The number of new cases in town A is twice as many as those in town B
D
) People in town A use medical care facilities half as often as those in town B
E
) The proportion of asymptomatic cases is twice as much in town B than in town A
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| peekay
Forum Guru
Topics: 102
Posts: 588
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ANS=B
DURATION IS RELATED WITH PREVLANCE. INCIDENCE IS ASSOCIATED WITH NEW CASES PER UNIT TIME
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| asmi
Forum Hero
Topics: 1043
Posts: 4,609
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thanks peekay 
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