Persistence Study of GSK Biologicals' Tdap Vaccine 1, 3, 5 and 9 Years Following Administration as an Initial Single Dose in Healthy Young Adults and to Evaluate the Immunogenicity and Safety of Boostrix as a Second Dose of Tdap, When Administered at Year 9
CompletedNCT00489970
GlaxoSmithKlineAcellular Pertussis, Diphtheria, Tetanus
Start: 2007-06-01End: 2016-03-01Updated: 2020-05-01