The duration of protection after vaccination with reduced antigen content diphtheria, tetanus
and acellular pertussis vaccines (Tdap) is not known. Long-term post-vaccination …

Persistence of antibodies following a single dose of Tdap vaccine (tetanus, diphtheria, and
five-component acellular pertussis vaccine for use in individuals past childhood) was …

Persistence of antibodies after a single dose of Tdap vaccine (tetanus, diphtheria, and 5-
component acellular pertussis vaccine) was evaluated in a follow-up study of adolescents …

Background Over the last decades, pertussis showed periodic increases in its incidence
among adults, despite being a vaccine-preventable disease. Methods This phase III …

Pertussis is a highly contagious disease, for which periodic peaks in incidence and an
increasing number of outbreaks have been observed over the last decades. The reduced …

Background In a prospective, randomized pivotal phase III clinical trial, the immunogenicity
and reactogenicity of a tetanus-diphtheria-acellular pertussis vaccine (Tdap) and a tetanus …

There is increasing interest in prevention of pertussis in adults by vaccination, but little is
known about the duration of the antibody response to pertussis, diphtheria or tetanus in …

In a clinical trial, adolescents who had received a booster dose of reduced dose diphtheria–
tetanus-5-component acellular pertussis vaccine (Adacel®, Tdap) 5 years earlier maintained …

PURPOSE: This study was conducted to assess the immunogenicity and safety of a tetanus
toxoid, reduced diphtheria toxoid, and acellular pertussis (Tdap) vaccine containing three …

Background Reduced-antigen-content tetanus, diphtheria, and acellular pertussis (Tdap)
vaccine is recommended in many countries for boosting immunity in adolescents and adults …