Abstract (See the Editorial Commentary by Munoz and Englund, on pages 893–6.)
Background. Because adolescents and adults act as a primary source of pertussis infection …

Background Immunization of pregnant women with tetanus-diphtheria-acellular pertussis
vaccine (Tdap) provides protection against pertussis to the newborn infant. Methods In a …

We prospectively measured pertussis-specific antibodies 9–15 months after delivery in
women immunized with tetanus, diphtheria, and acellular pertussis (Tdap) after the 20th …

Background: The effect of maternal Tdap vaccination on infant immunologic responses to
routine pediatric vaccines is unknown. Methods: This was a cohort study of infants whose …

Abstract Background The Centers for Disease Control and Prevention recommend Tdap
immunization during pregnancy, preferably at 27–36 weeks. Aim To ascertain whether there …

OBJECTIVE:: We sought to determine whether tetanus–diphtheria–pertussis vaccination
(Tdap) in pregnancy provides newborns antibodies against pertussis when compared to …

Importance Maternal immunization with tetanus toxoid, reduced diphtheria toxoid, and
acellular pertussis (Tdap) vaccine could prevent infant pertussis. Objective To evaluate the …

Abstract Background. Pertussis booster vaccine (Tdap) recommendations assume that
pertussis-specific antibodies in women immunized preconception, during, or after previous …

Infants in North America continue to suffer and die of pertussis today, in the 21st century,
despite the availability of safe and effective pertussis vaccines for. 60 years (Figure 1). A …

Background and objectives Pertussis is currently an emerging public health concern in
some countries with high vaccination coverage. It is expected that maternal pertussis …