Pertussis is a highly communicable acute respiratory infection caused by Bordetella
pertussis. Immunity is not lifelong after natural infection or vaccination. Pertussis outbreaks …

ABSTRACT Background The resurgence of Bordetella pertussis infections leading to
whooping cough is a concern in many parts of the world. The number of pertussis cases in …

Immunization with current acellular pertussis (aP) vaccines protects against severe
pertussis, but immunity wanes rapidly after vaccination and these vaccines do not prevent …

Introduction Pertussis is an important public health problem worldwide, especially in infants.
An increase in the incidence in many countries occurred after 2010, including Brazil. In …

Bordetella pertussis vaccine escape mutants that lack expression of the pertussis antigen
pertactin (Prn) have emerged in vaccinated populations in the last 10–20 years. Additionally …

Since acellular vaccines (ACV) were introduced in Australia, epidemic Bordetella pertussis
strains changed from single nucleotide polymorphism (SNP) cluster II to SNP cluster I. Our …

Bordetella pertussis (B. pertussis) infection occasionally causes severe respiratory infections
in children. Potential association between virulence-associated gene alleles and severe …

Materials and Methods: The genetic diversity and evolutionary characteristics of circulating
Iranian isolates of Bordetella pertussis during February 2015 to October 2018 was …

Introduction Pertussis is a highly contagious respiratory infection caused by Bordetella
pertussis and to minor extent B. parapertussis. Despite high vaccination coverage …

Objective: To define the level of alarm threshold for pertussis aberrations and to detect the
aberrations of the reported suspected cases of pertussis from the Mazandaran province in …