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Number of cases and deaths from influenza in a Texas County in 1991 Age Grou 1-30 31-60 61+ Total Cases 10 50 30 90 Deaths Population 2,000 5,000 1,000 8,000 30 20 a. Calculate the crude mortality rate for influenza in this town: b. Calculate the age-specific mortality rate for people 31-60 years /1,000 C. What age group has the highest case fatality?

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Totnl popn 2 00 O Population in6 No. Cou fatalit

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