Social & Preventive Medicine Calculate the prevalence if incidence is 2 cases per 1000 population per year and mean duration is 4 years – A 8 Cases per 1000 population B 2 Cases per 1000 population C 0.5 Cases per 1000 population D 32 Cases per 1000 population 💡 Explanation Calculate the prevalence if incidence is 2 cases per 1000 population per year and mean duration is 4 years - ✓ Correct Answer: A. 8 Cases per 1000 population