Use of Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccines: Updated Recommendations of the Advisory Committee on Immunization Practices — United States, 2019
Allowing either tetanus toxoid, reduced diphtheria toxoid, and acellular (Tdap) or tetanus and diphtheria toxoids (Td) to be used in situations where Td only was previously recommended increases provider point-of-care flexibility.