Importance Infants younger than 1 year have the highest burden of pertussis morbidity and
mortality. In 2011, the US introduced tetanus toxoid, reduced diphtheria toxoid, and acellular …

OBJECTIVE: Recent universal vaccination efforts among children in the United States have
markedly changed hospitalization patterns for many vaccine-preventable diseases. Infants …

Methods: We evaluated California pertussis surveillance data for reported pertussis cases
20 years of age and younger with disease onset from January 1, 2010 to December 31 …

Background Infants aged< 1 year are at highest risk for pertussis-related morbidity and
mortality. In 2012, Tdap (tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis) …

Objective To evaluate the impact of the adolescent Tdap (tetanus toxoid, reduced diphtheria
toxoid, and acellular pertussis vaccine) vaccination program on pertussis trends in the …

OBJECTIVE. We sought to describe the rates of pertussis hospitalization among infants by
using databases that do not rely on passive reporting and compare with results obtained …

Background: In the United States, pertussis circulation persists and primarily infects infants
and children, despite routine vaccinations. To minimize infant morbidity and mortality from …

OBJECTIVE: In 2010, California experienced the highest number of pertussis cases in> 60
years, with> 9000 cases, 809 hospitalizations, and 10 deaths. This report provides a …

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 Most severe and fatal cases of pertussis occur in infants< 8 weeks of age,
before initiation of the primary pertussis vaccine series. Women are recommended to …