Social & Preventive Medicine Epidemiology 1966b21f Relationship between incidence and prevalence - A Incidence = Prevalence x Duration B Prevalence = Incidence x Duration C Incidence = Prevalence + Duration D Prevalence = Incidence + Duration High-Yield Explanation Ans. is 'b' i.e., Prevalence = Incidence duration * Prevalence depends upon 2 factorsi) Incidenceii) Duration of illnessPrevalence - Incidence x mean duration.