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European Journal of Clinical Microbiology

, Volume 4, Issue 2, pp 123–128 | Cite as

Mixed outbreak ofBordetella pertussis andBordetella parapertussis infection in Finland

  • J. Mertsola
Originals

Abstract

The epidemiology of whooping cough in a vaccinated population was studied during an outbreak of paroxysmal cough in an elementary school with 258 pupils in Turku, Finland. Nasopharyngeal specimens for isolation ofBordetella pertussis and/or sera for ELISA detection of antipertussis immunoglobulin M, A and G antibodies were taken from 94 % of children who were prospectively followed for two months.Bordetella pertussis was isolated in six patients, and 17 culture-positive cases withBordetella parapertussis were identified. Patients withBordetella pertussis orBordetella parapertussis were found simultaneously in the same classrooms. Comparison of immunoglobulin M responses toBordetella pertussis andBordetella parapertussis was used for differential diagnosis of these two infections. Twenty-six cases with pertussis and 27 cases with parapertussis were diagnosed. The results of this prospective study suggest thatBordetella parapertussis is a more common etiologic agent of mild respiratory tract infection among vaccinated school-aged children than is generally recognised. The possibility thatBordetella pertussis was converted toBordetella parapertussis during this outbreak is discussed.

Keywords

Internal Medicine Differential Diagnosis Tract Infection Respiratory Tract Respiratory Tract Infection 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Vieweg Publishing 1985

Authors and Affiliations

  • J. Mertsola
    • 1
  1. 1.Department of Medical Microbiology and PediatricsUniversity of TurkuTurku 52Finland

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