This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Immunoprophylaxis of leprosy includes - 
Select and explain. 
A. BCG, B. MMR, C. ICRC bacillus, D. Anthrax vaccine
A: BCG
Answer: A: BCG 
Explanation: For immunoprophylaxis , trials in different population groups with BCG vaccine either alone or in combination with other vaccine have shown protective efficacy ranging between 28% and 60%. Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 344