This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology (Gram Positive Bacilli, Gram Negative Bacilli), Subject name: Microbiology
Mitsuda reaction is read after: 
Select and explain. 
A. 3 days, B. 3 hours, C. 3 weeks, D. 3 months
C: 3 weeks
Answer: C: 3 weeks 
Explanation: Lepromin Test is type IV HSR It is a PROGNOSTIC test not a diagnostic test 2 reactions are seen in Lepromin test- Early Reaction/ Fernandez- Erythema and induration develops in 24-48 hours and remain for 3-5 days and it is read after 3 days Late Reaction/Mitsuda Reaction- It stas in 1-2 weeks, reaching a peak in 4 weeks and this is read after 3 weeks