1. BetweenJanuary1andDecember31,35newcasesoftuberculosiswerediagnosedinacity.Therewereatotalof300activecasesamongthepopulation of400,000onDecember31ofthatyear.Wewillassumethatallpeoplearesusceptibletooratriskofgettingtuberculosis.Twentydeathsfromtuberculosisererecordedduringthe1yearperiod.

What was the incidence rate of tuberculosis during the year?

What was the prevalence rate of tuberculosis per 100,000 on December 31?

What is the cause-specific death (case fatality rate) rate per 100,000 for tuberculosis during the year?