INTRODUCTION—Diphtheria, tetanus, and pertussis immunization in infants and children
six weeks through six years of age will be discussed here. Diphtheria, tetanus, and pertussis …

During spring 2005, two tetanus toxoid, reduced diphtheria toxoid and acellular pertussis
vaccine (Tdap) products formulated for use in adolescents (and, for one product, use in …

Objective. Diphtheria, tetanus and pertussis serum antibody titers were assessed before a
fifth dose of diphtheria-tetanus-acellular pertussis (DTaP) or diphtheria-tetanus-whole cell …

This Policy Statement was retired June 2012. The purpose of this statement is to provide the
rationale and recommendations for adolescent use of tetanus toxoid, reduced diphtheria …

Other reasons for the increased numbers of ongoing cases of pertussis include waning
immunity in vaccinated individuals over time, particularly those immunized with DTaP …

In the past 5 years, the immunization schedule for adolescents has undergone numerous
changes. Several new vaccines have been licensed for use in adolescents. The human …

A key concern related to pertussis infection in preteens is transmission of infection to school
classmates and younger siblings. This may result in classroom and school outbreaks …

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

Adolescents, who comprise 14% of the US population, are historically resistant to receiving
health care. As a result, adolescents have low immunization rates and are becoming more …

Possibly 10 years. The longest published follow-up extended five years, at which time
antibody levels and cell-mediated immunity were still readily detectable (1). The slow …