In an outbreak of cholera in a village of 2000 population 20 cases have occured and 5 have died. Case fatality rate is
Ref: Parks 23rd edition Case fatality rate = (Total no. of deaths due to a paicular case / Total no. of cases due to the same disease) x 100 Here, CFR = (5/20) x 100= 25%
1%
0.25%
5%
25%
Epidemiology