The ACIP (Advisory Committee on Immunization Practices) has published recommendation for use of Tetanus and Diphtheria Toxoids Adsorbed, for adult use in pregnant women. Td vaccine may be used as a primary immunization for persons contraindicated for DTP Vaccine, from 7 years of age. According to ACIP (Advisory Committee on Immunization Practices), they should receive two doses of 0.5 ml of adsorbed Td with reduced dose of diphtheria for adults at an interval of at least four-eight weeks. A third dose recommended at least 6 months after the second dose.
Vial: According to WHO insert model, "Td vaccine may be used as a primary immunization for persons from 7 years of age. They should receive two doses of 0.5 ml of adsorbed Td with reduced dose of diphtheria for adult at an interval of at least four weeks. A third dose is recommended at least 6 months after the second dose. After a primary immunization course of either DTP or Td, adsorbed Td for adults may be used as a booster at intervals of approximately 10 years, but with a minimum of at least one year between doses. It can be safely replace monovalent tetanus toxoid (TT) vaccine, including during pregnancy".