Pertussis caused by Bordetella pertussis, remains a public health problem worldwide,
despite high vaccine coverage in infants and children in many countries. Iran has been …

Objectives The present study was designed to determine the genotypes of circulating
Bordetella pertussis in the Philippines by direct molecular typing of clinical specimens …

Objectives This study sought to determine the genotypes of circulating Bordetella pertussis,
the causative agent of pertussis, in Cambodia by direct molecular typing of clinical …

Purpose. To determine the predominant strains of Bordetella pertussis in Greece during
2010–2015. Methodology. Infants and children (n= 1150)(15 days to 14 years) of Greek …

Although a whole-cell pertussis vaccine was introduced in Pakistan in 1980, little is known
about the pertussis prevalence and circulating strains in Pakistan. The aim of this study was …

Background The global prevalent ptxP3 strains varies from about 10% to about 50% of
circulating B. pertussis population in different areas of China. Methods To investigate the …

Objectives Despite high pertussis vaccination coverage, Australia experienced a prolonged
epidemic in 2008–2012. The predominant Bordetella pertussis genotype harboured …

Pertussis is an acute respiratory infectious disease caused by the bacterium Bordetella
pertussis. Although pertussis vaccination was introduced in the 1960s, pertussis is still an …

Background As has occurred in many regions worldwide, in 2012 the incidence of pertussis
increased in Perú. This epidemiologic situation has been associated with a waning vaccine …

Although vaccination has been effective, Bordetella pertussis is increasingly causing
epidemics, especially in industrialized countries using acellular vaccines (aPs). One factor …