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  1. Increased immunogenicity of oral poliovirus vaccine administered in mass vaccination campaigns compared with the routine vaccination program in Jordan.

    Article - En anglais

    To compare the immunogenicity of routine versus mass campaign doses of oral poliovirus vaccine (OPV), serum neutralizing antibodies were measured in 254 children before and after two mass vaccination campaigns in Jordan.

    Precampaign seroprevalences to poliovirus types 1,2, and 3 in children who had received three, four, or five routine doses of OPV were compared with postcampaign seroprevalences in children who had received one, two, or three routine doses plus two mass campaign doses.

    Seroprevalences were consistently higher in subgroups that received two doses through mass campaigns than in subgroups that received all doses through the routine program, especially for poliovirus type 3. Geometric mean titers were also consistently higher for mass campaign subgroups, particularly for poliovirus type 3. The findings suggest that adding further doses of OPV to the routine schedule is unlikely to have as great an impact on the immune state of children as administering the same number of doses during mass campaigns.

    Mots-clés Pascal : Poliomyélite antérieure, Virose, Infection, Stratégie, Eradication, Immunoprophylaxie, Vaccination, Voie orale, Campagne de masse, Immunogénicité, Etude comparative, Enfant, Homme, Jordanie, Asie, Système nerveux pathologie, Système nerveux central pathologie, Moelle épinière pathologie

    Mots-clés Pascal anglais : Acute anterior poliomyelitis, Viral disease, Infection, Strategy, Eradication, Immunoprophylaxis, Vaccination, Oral administration, Mass campaign, Immunogenicity, Comparative study, Child, Human, Jordan, Asia, Nervous system diseases, Central nervous system disease, Spinal cord disease

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

    Cote : 97-0188137

    Code Inist : 002B05A02. Création : 21/05/1997.