Social & Preventive Medicine In a population of 5000, incidence of disease is 100 in 1 year duration of disease studied for is 2 years calculate Prevalence – A 20/1000 B 40/1000 C 80/1000 D 400/1000 💡 Explanation In a population of 5000, incidence of disease is 100 in 1 year duration of disease studied for is 2 years calculate Prevalence - ✓ Correct Answer: B. 40/1000