The impoance of defining "population at risk" in an epidemic is: (A) Conduct survey, (B) Search for deaths, (C) Calculate attack rates, (D) Prepare case sheet
Answer is C. The population census will help in computing the much-needed attack rates in various groups and subgroups of the population.Without an appropriate denominator of &;&;population at risk,&; attack rates cannot be calculated.Ref: Park 23rd edition pg: 130