Article
Pertactin-negative Bordetella pertussis strains in Canada: characterization of a dozen isolates based on a survey of 224 samples collected in different parts of the country over the last 20 years.
International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases - 1 Nov 2014
Tsang Raymond S W, Shuel Michelle, Jamieson Frances B, Drews Steven, Hoang Linda, Horsman Greg, Lefebvre Brigitte, Desai Shalini, St-Laurent Monique
Abstract excerpt
OBJECTIVE: To detect and characterize pertactin-negative Bordetella pertussis in Canada, especially for isolates collected in recent years. METHODS: A total of 224 isolates from the years 1994-2013 were screened by Western immuno-blot for expression of pertactin. Pertactin-negative isolates were characterized by serotyping, pulsed-field gel electrophoresis (PFGE), and genotyping of their pertactin, fimbriae 3,...
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