Vital statistics-Rates as measure of health status Incidence rate(morbidity n newcases during lyear total population on July1 prevalence rate n cases at l po int in time total population at that point in time8 Vital Statistics-Rates as measure of health status. • Incidence rate (morbidity) • prevalence rate 1 1 n newcases during year total population on July 1 int int n cases at po in time total population at that po in time