Background. Published data on the safety of tetanus-diphtheria-acellular pertussis vaccine
(Tdap) in persons aged≥ 65 years are limited. This study aims to examine a large cohort of …

In 2008, the number of pertussis cases increased substantially among Japanese
adolescents, despite high coverage with acellular pertussis vaccine (DTaP). This study …

ContextIncreasing reports of pertussis among US adolescents, adults, and their infant
contacts have stimulated vaccine development for older age groups. ObjectiveTo assess the …

Adult pertussis vaccination is increasingly recommended to control pertussis in the
community. However, there is little data on the duration and kinetics of immunity to pertussis …

Objective. To evaluate the immunogenicity and reactogenicity of an acellular pertussis
vaccine (pa) either formulated with diphtheria and tetanus toxoids (dTpa) or administered …

Background: We estimated tetanus-diphtheria-acellular pertussis (Tdap) vaccine
effectiveness (VE) for preventing pertussis among adolescents during a statewide outbreak …

Pertussis is one of the only vaccine-preventable diseases with increasing incidence in the
United States. The incidence of pertussis infection in adolescents is a growing concern; it …

Controlled clinical trials of pertussis vaccines are reviewed, and additional data are
presented to elucidate the influence of simultaneous administration of other vaccines on …

Background: The epidemiology of pertussis is changing, with a clear increase in the number
of cases diagnosed in adolescents and adults. This development has spurred studies and …

Pertussis is the only disease for which children are routinely vaccinated that is not at
historically low levels in the United States. The increases seen in pertussis are not due to …