<prompt> If the prevalence is very low as compared to the incidence for a disease. It implies:Disease is very fatal andor easily curableDisease is nonfatalCalculation of prevalence and incidence is wrongNothing can be said as they are independent  <response>: Ans. a. Disease in very fatal and or easily curable Ref: Park 23e p61, 20e p58Prevalence P: Incidence I x Duration DQIncidence reflects causal factorsQDuration reflects the prognostic factorsQIf the prevalence is very low, then either incidence is low or duration is shortQ.Duration is short if the disease is easily curable or very fatalQ 