8. Incidence and prevalence data have different applications in public health. Below is a list of uses for data. State whether the use is for incidence or prevalence data both, or neither types of data and your justification for this.
a) For determining workload and planning the scope of facilities and manpower
needs, particularly in chronic disease.
b) For estimating the frequency of exposure.
c) The fundamental tool for etiologic studies of both acute and chronic disease.
d) To express the burden or extent of some condition or attribute in a population.
e) To provide a direct estimate of the risk of developing a disease.