Volume 20, Number 4—April 2014
From per- (pertussis) + tactus (Latin, “to touch”), pertactin is a virulence factor of Bordetella pertussis that promotes adhesion to tracheal epithelial cells and resistance to neutrophil-mediated clearance and is a component of acellular pertussis vaccines. Pertactin-negative B. pertussis has been reported in several countries, and its prevalence in the United States has increased in recent years. However, evidence suggests that other components of current pertussis vaccines provide protection against pertactin-negative strains.
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- Pawloski LC, Queenan AM, Cassiday PK. Prevalence and molecular characterization of pertactin-deficient Bordetella pertussis in the United States. Proc Natl Acad Sci USA. 1991;88:345–9. Clin Vaccine Immunol. 2014;21:119–25.
Suggested citation for this article: Etymologia: Pertactin. Emerg Infect Dis [Internet]. 2014 Apr [date cited]. http://dx.doi.org/10.3201/eid2004.ET2004
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