All are true statements among the following, except

Among the vaccines, polio is the most sensitive to heat, requiring storage at minus 20 degree C. Vaccines which must be stored in the freezer compament are : polio and measles. Vaccines which must be stored in the COLD PA but never allowed to freeze are : "T series" vaccines (DPT, tetanus toxoid, DT) hepatitis B, BCG, and diluents. Ref : Park 23rd edition Pgno : 109