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  1. Estimates of the effectiveness of a whole-cell pertussis vaccine from an outbreak in an immunized population.

    Article - En anglais

    Pertussis has re-emerged as a public health problem in Canada in recent years, emphasizing concerns about the effectiveness of the currently licensed whole-cell vaccine.

    Following a 1994 outbreak in Nova Scotia, we conducted a case-control study of 483 children aged<10 years to assess vaccine effectiveness.

    Ninety-three percent of children aged 6 months and above had received three or more doses of vaccine, however, only 78% had received age-appropriate immunization.

    Among children aged 4 years and more, vaccine effectiveness against laboratory-confirmed pertussis was 57% (95% CI, 23-77%) for age-appropriate immunization (five doses) vs partial or no immunization.

    Vaccine effectiveness increased with increasing number of doses from 25% (95% CI, - 58-65%) for three or more doses to 55% (95% CI, - 15-83%) for five doses, compared with 0-2 doses.

    Mots-clés Pascal : Bordetella pertussis, Bactérie, Coqueluche, Bactériose, Infection, Vaccin, Vaccination, Efficacité, Calendrier vaccination, Enfant, Homme, Nourrisson, Immunoprophylaxie, Canada, Amérique du Nord, Amérique

    Mots-clés Pascal anglais : Bordetella pertussis, Bacteria, Whooping cough, Bacteriosis, Infection, Vaccine, Vaccination, Efficiency, Vaccination schedule, Child, Human, Infant, Immunoprophylaxis, Canada, North America, America

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0217621

    Code Inist : 002A05B12. Création : 21/05/1997.



Fermeture du portail BDSP le 1er juillet 2019

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