<prompt> All are true about newly introduced Td vaccine in place of TT vaccine except:-First dose should be given at 3 years of ageDose 0.5mlIMUpper armShake test applicableOpen l policy is applicable for Td vaccine  <response>: Tetanus Toxoid TT vaccine has been replaced with Tetanus and adult diphtheria. Td Td vaccine:- Should be given at 5 10 years and to Pregnant women replacing TT Vaccine. The use of Td rather TT is recommended during pregnancy to protect against maternal,neonatal tetanus diphtheria during prenatal care. Td vaccine is a combination of tetanus diphtheria with lower concentration of diphtheria antigen d as recommended for older children and adults. Dose :0.5mlIMUpper arm. Shake test is applicable to freeze sensitive vaccines such as DTP, DT, Td, TT, typhoid hepatitis B. Open l policy is applicable for Td vaccine. Td is freeze heat sensitive; hence stored at optimal temperature. 