Background. The recent introduction of acellular pertussis vaccines (Pa) offers the possibility
of booster doses in older children and adults. This can be conveniently accomplished by …

Abstract▴ The reduced-antigen combined diphtheria-tetanus-acellular pertussis vaccine
(dTpa) is intended for use as a booster dose in individuals aged≥ 4 years.▴ A single dose …

Many countries recommend diphtheria, tetanus and/or poliomyelitis boosters in adolescents
or adults and the need for pertussis booster vaccination beyond childhood is increasingly …

BACKGROUND: Older adults, especially those over 65 years, are at risk of more severe
morbidity from diphtheria, tetanus and pertussis and may transmit pertussis to unvaccinated …

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 …

Pertussis continues to circulate in Chinese communities and older children, adolescents and
adults are sources of infection for unprotected infants. Two studies conducted in Jiangsu …

Two clinical studies were undertaken to evaluate the immunogenicity of an adult-type dTpa
booster vaccine (Boostrix™ by GlaxoSmithKline Biologicals). Blood samples taken prior to …

Introduction: Older children and adults, susceptible to pertussis because of waning
immunity, may serve as a reservoir of infection, leading to severe disease among young …

We assessed the immunogenicity and safety of the combined diphtheria-tetanus-acellular
pertussis-inactivated poliovirus/Haemophilus influenzae type b vaccine (DTPa-IPV/Hib) in …

We compared immunogenicity and reactogenicity of a single dose of DTaP vaccine
(containing tetanus and diphtheria toxoids and four acellular pertussis antigens) with …