This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Dose of zinc recommended for 9 month old during acute diarrhoea is: 
Select and explain. 
A. 5 mg daily, B. 10 mg daily, C. 20 mg daily, D. 25 mg daily
C: 20 mg daily
Answer: C: 20 mg daily 
Explanation: Zinc supplement given during an acute diarrhoea episode reduces severity and duration of disease. WHO and UNICEF recommend that children <6 months be given 10 mg zinc daily, while children > 6 months be given 20 mg daily. The recommended duration for treatment is for 10 to 14 days. Ref: Park 21st edition, page 204.