Social & Preventive Medicine Calculate the prevalence if incidence is 2 cases per 1,000 population per year and mean duration is 4 years- A 8 mases per 1,000 population B 2 cases per 1,000 population C 0.5 cases per 1,000 population D 32 cases per 1,000 population 💡 Explanation Calculate the prevalence if incidence is 2 cases per 1,000 population per year and mean duration is 4 years- ✓ Correct Answer: A. 8 mases per 1,000 population