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
Mistuda reaction is read at: 
Select and explain. 
A. 3rd day, B. 10th day, C. 28th day, D. 45th day
C: 28th day
Answer: C: 28th day 
Explanation: 28th day