Before childhood vaccination was introduced in the 1950s, pertussis or whooping cough
was a major cause of infant death worldwide. Widespread vaccination of children was …

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 …

In the Netherlands, as in many other western countries, pertussis vaccines have been used
extensively for more than 40 years. Therefore, it is conceivable that vaccine-induced …

We analyzed pertussis reporting, death, hospitalization, and serodiagnostic data from 1976
to 1998 to help explain the cause of the 1996 pertussis outbreak in the Netherlands. The …

Australia is experiencing a prolonged epidemic of pertussis that began in 2008. A total of
194 Bordetella pertussis isolates collected from 2008 through 2010 were typed by single …

Pertussis is re-emerging in vaccinated populations, and to gain insight into the reasons for
this development population-based studies are necessary. Unfortunately, various …

Despite extensive immunization, the disease pertussis remains one of the world's leading
causes of vaccine-preventable deaths. An estimated 50 million cases and 300,000 deaths …

Despite more than 50 years of vaccination, Bordetella pertussis has remained endemic in
The Netherlands, causing epidemic outbreaks every 3 to 5 years. Strain variation may play a …

Bordetella pertussis, the causative agent of whooping cough, has remained endemic in The
Netherlands despite extensive nationwide vaccination since 1953. In the 1990s, several …

We compared Bordetella pertussis isolates collected in France over the last 10 years, the
vaccine strains used for more than 30 years, and isolates collected before the introduction of …