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
False about vaccines is - 
Select and explain. 
A. Thiomersal is preservative in DPT vaccine, B. Kanamycin is preservative in measles, C. Magnesium chloride stabilizer used in OPV, D. Neomycin is a preservative in BCG vaccine
D: Neomycin is a preservative in BCG vaccine
Answer: D: Neomycin is a preservative in BCG vaccine 
Explanation: None