One-, Three-, Five- and Ten-Year Data on the Long-Term Immunogenicity of Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine Adsorbed (Tdap) in Adolescents 11–14 Years of Age

To describe the antibody levels for tetanus, diphtheria and pertussis at 1 year, 3 years, 5 years and 10 years after vaccination with Tdap Vaccine.