Which of the following vaccines is most sensitive to heat?: (A) Oral Polio vaccine, (B) BCG vaccine, (C) DPT vaccine, (D) Measles vaccine
Answer is A. - Heat sensitive vaccines: OPV - most heat sensitive. Hence stored in freezer Reconstituted BCG Measles vaccine ***Note: For heat sensitivity: Reconstituted BCG > OPV > BCG -Light sensitive vaccines: Measles vaccine BCG Rota JE vaccine -Freeze sensitive vaccines: Hep B Pentavalent TT DPT vaccine