False about vaccine is -
Thiomersal is preservative in DPT vaccine
Kanamycin is preservative in measles
Magnesium chloride stabilizer used in OPV
Neomycin is a preservative in BCG vaccine
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
Epidemiology