In a village of 5000 population, 50 persons suffered from cholera and 10 persons died. What will be the case fatality ratio?: (A) 0.20%, (B) 1.00%, (C) 5.00%, (D) 20.00%
Answer is D. .case fatality ratio is calculated as the total number of deaths due to a paicular disease divided by total number of cases due to the same disease ,whol;e multiplied by 100 that is 10/50 *100 equals 20% .