Killing power of disease is
Correct Answer: Case fatality rate
Description: Ans. b (Case fatality rate). (Ref. Park, PSM, 17th ed., 52, 88)- CFR is measurement of killing power of a disease.Secondary attack rate =Number of exposed persons developing the disease within the range of IP------------------------------------------Total number of exposed/"susceptible" contactsx 100- The primary case is excluded from both the numerator and denominator.
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