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Oumar Bassoum, Adama Faye, Cheikh Sokhna

    Sante Publique (Vandoeuvre-Les-Nancy, France)
    |June 20, 2022
    PubMed
    Summary
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    Co-administration of essential vaccines like BCG, oral polio, and hepatitis B at birth is infrequent in Podor, Senegal. Caregiver awareness, health records, and postnatal advice significantly influence vaccination practices.

    Area of Science:

    • Public Health
    • Vaccinology
    • Pediatrics

    Background:

    • Co-administration of bacille Calmette-Guérin (BCG), oral polio vaccine (OPV zero), and birth dose hepatitis B (HepB BD) vaccines is a recommended public health strategy.
    • Understanding factors influencing vaccine co-administration is crucial for improving immunization coverage in resource-limited settings.

    Purpose of the Study:

    • To identify factors associated with the co-administration of BCG, OPV zero, and HepB BD vaccines in children aged 12-23 months in the Podor health district of Senegal.

    Main Methods:

    • A cross-sectional study involving 726 children aged 12-23 months was conducted using a two-stage cluster sampling method.
    • Data was collected in June 2020 via an electronic questionnaire. Co-administration was analyzed for one, two, and three doses.
    • Ordinal logistic regression was employed to determine factors influencing vaccine co-administration.

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    Main Results:

    • Only 16% of children received a single dose, while 32% and 52% received two and three doses, respectively.
    • Key factors associated with co-administration included caregiver recognition of simultaneous vaccination (aOR=1.46), availability of a health record (aOR=6.88), newborn hospitalization (aOR=1.74), and postnatal care advice (aOR=1.72).

    Conclusions:

    • Co-administration of birth vaccine doses is an infrequent practice in the Podor health district.
    • Enhancing caregiver awareness about vaccine co-administration and improving the availability and maintenance of health information tools are necessary to improve vaccination rates.