100% moality disease, incidence and prevalence relationship will be;: (A) P = 1, (B) P > 1, (C) P < 1, (D) No relationship
Answer is C. Prevalence = Incidence x Duration Duration= Prevalence/Incidence - longer the duration of the disease, the greater its prevalence. - if the disease is acute and of sho duration either because of rapid recovery or death, the prevalence rate will be relatively low compared with the incidence rate. (P < 1).