This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
Maximum Power of destruction of a disease is measured by 
Select and explain. 
A. Survival rate, B. Case fatality rate, C. Specific death rate, D. Propoional moality rate
B: Case fatality rate
Answer: B: Case fatality rate 
Explanation: Case fatality rate represents the killing power of disease. It is simply the ratio of deaths to cases.Used in acute infectious diseases.Case fatality is closely related to virulence.Park 23e pg:59