False about vaccine is -: (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
Answer is D. BCG is the only widely used live bacterial vaccine. The WHO has recommended the 'Danish 1331' strain for production of the vaccine. There are 2 forms- Fresh(liquid) and freeze-dried. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 213