Poliomyelitis Vaccine (Vero Cell), Inactivated, Sabin Strains shall be administered by intramuscular injection. More specifically, it shall be administered in the middle anterolateral thigh for infants and deltoid for children. Recommendations about injection site from national immunization programs may also be considered. This vaccine is given to infants at 2-3-4 months of age as primary vaccination and a booster dose at 18 months of age.