Social & Preventive Medicine In a given population of 1000, new cases of lung cancer is 50, old cases in the same population are 100. What is the prevalence A 1.50% B 15% C 150 D 13% 💡 Explanation In a given population of 1000, new cases of lung cancer is 50, old cases in the same population are 100. What is the prevalence ✓ Correct Answer: B. 15%