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  1. Non-specific beneficial effect of measles immunisation : analysis of mortality studies from developing countries.

    Article - En anglais

    Objective

    To examine whether the reduction in mortality after standard titre measles immunisation in developing countries can be explained simply by the prevention of acute measles and its long term consequences.

    Design-An analysis of all studies comparing mortality of unimmunised children and children immunised with standard titre measles vaccine in developing countries.

    Studies-10 cohort and two case-control studies from Bangladesh, Benin, Burundi, Guinea-Bissau, Haiti, Senegal, and Zaire.

    Main outcome measures-Protective efficacy of standard titre measles immunisation against all cause mortality.

    Extent to which difference in mortality between immunised and unimmunised children could be explained by prevention of measles disease.

    Results

    Protective efficacy against death after measles immunisation ranged from 30% to 86%. Efficacy was highest in the studies with short follow up and when children were immunised in infancy.

    Vaccine efficacy against death was much greater than the proportion of deaths attributed to acute measles disease.

    In four studies from Guinea-Bissau, Senegal, and Burundi vaccine efficacy against death remained almost unchanged when cases of measles were excluded from the analysis.

    Diphtheria-tetanus-pertussis and polio vaccinations were not associated with reduction in mortality.

    Conclusion-These observations suggest that standard titre measles vaccine may confer a beneficial effect which is unrelated to the specific protection against measles disease.

    Mots-clés Pascal : Rougeole, Virose, Infection, Vaccination, Prévention, Complication, Mortalité, Long terme, Pays industrialisé, Enfant, Homme

    Mots-clés Pascal anglais : Measles, Viral disease, Infection, Vaccination, Prevention, Complication, Mortality, Long term, Industrialized country, Child, Human

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

    Cote : 95-0466611

    Code Inist : 002B05C02A. Création : 01/03/1996.