MgCl2 is added to polio vaccine because of the following -: (A) Potentiates the vaccine, (B) Vaccine can be kept at higher temperatures, (C) Preservative, (D) None of the above
Answer is B. molar MgCl2 is used to dtabilise the vaccine against heat inactivation REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.488