<prompt> In a population of 2000, 20 cases had disease, out of which 5 had died. Case fatality rate of disease is ?5102550  <response>: Ans. is c i.e., 25 Total no. of death due to disease 5 CFR -___ x100 x 100 25 Total no. of cases of disease 20 In this case survival rate will be : Survival rate 1 - CFR 1 - 0.25 0.75 75 