If a nurse takes the number of new cases of a disease or illness among the contacts of initial (primary) cases and divides it by the number of people in the population at risk and multiplies it by a given multiplier, he or she is calculating the:
A)Prevalence.
B)Incidence.
C)Secondary attack rate.
D)Attack rate.

Question

Quizplus · Accepted Answer

The secondary attack rate is calculated by taking the number of new cases among contacts of primary cases, dividing by the number of people at risk, and multiplying by a multiplier.

If a Nurse Takes the Number of New Cases of a Disease