The recent increase of pertussis in young adults in Japan is hypothesized to be due in part
to waning protection from the acellular pertussis vaccine. While a booster immunization may …

Background: The high coverage for≥ 3 pertussis vaccine doses among Taiwanese children
might not imply timely vaccination. Recently, resurgence of pertussis and challenges with …

This serological follow up study assessed the kinetics of antibody response in children who
previously participated in a single centre, open-label, randomised controlled trial of low …

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 Transplacentally transferred antibodies induced by maternal pertussis
vaccination interfere with infant immune responses to pertussis primary vaccination. We …

A single blinded randomized controlled trial to compare the reactogenicity and
immunogenicity of adult formulated dTpa and monovalent pa vaccines with a licensed Td …

Background Recombinant pertussis vaccines inducing long-lasting immune responses
could help to control the rise in pertussis. We here report on persisting antibody responses 2 …

Although tetanus and diphtheria have become rare in developed countries, pertussis is still
endemic in some developed countries. These are vaccine-preventable diseases and …

BACKGROUND: Although decennial adult boosters of tetanus and diphtheria toxoids are
recommended in Canada and the United States, a second dose of pertussis vaccine during …

The main objective of this study was to assess in 5–6-year-old French children (n= 234) the
persistence of antibodies induced by a primary series vaccination (at 2–4 months of age) …