In the past decade, numerous sources have noted an increase in reported pertussis in
highly immunized populations. This has been accompanied by a perceived change in …

This review addresses the epidemiology of pertussis based on:(1) reported pertussis;(2) the
increase in reported cases during the last 22 years; and (3) the data supporting the …

Despite best efforts by immunization teams and immunologists worldwide, the World Health
Organization (WHO) goal that the incidence of pertussis should be reduced to 1 case per …

Pertussis in adolescents and adults is common, endemic, and epidemic worldwide, and its
incidence is reportedly increasing. Although a number of individuals suffer only a mild …

As a result of waning immunity and improved awareness, the reported incidence of pertussis
is increasing among adolescents in the United States. Symptoms of pertussis are often mild …

Objective: To evaluate the spread of pertussis in a fully immunized eighth-grade class and
the household contacts of two coindex cases of pertussis. Design: Survey of infected …

Existing clinical case definitions of pertussis are decades old and based largely on clinical
presentation in infants and children, yet an increasing burden is borne by adolescents and …

In the prevaccine era pertussis epidemics followed a cyclic pattern, with peaks every 2 to 5
years. With the marked reduction of pertussis by vaccination, the same cyclic pattern still …

To assess the morbidity associated with the continued high levels of pertussis, we studied all
children. 2 years of age who were admitted to the 11 Immunization Monitoring Program …

Despite high vaccination coverage, over the last fifteen years there has been a worldwide
resurgence of B. pertussis infection. While classical pertussis in the prevaccine era was …