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[SHIFT IN THE BCG VACCINATION AGE REGARDING THE 2013 REVISION OF THE JAPANESE VACCINATION SCHEDULE]

Kemal Sasaki

    Kekkaku : [Tuberculosis]
    |January 16, 2019
    PubMed

    Insights

    In 2013, Japan revised its Bacillus Calmette-Guérin vaccination schedule. Two-way communication (TWC) with parents accelerated the shift in immunization age for infants in municipalities using individual immunization methods.

    Area of Science:

    • Public Health
    • Immunization Policy
    • Pediatric Vaccinations

    Background:

    • In 2013, Japan excluded infants aged 3-4 months from the standard Bacillus Calmette-Guérin (BCG) vaccination period.
    • This policy change necessitated effective communication strategies to inform parents about the revised immunization schedule.

    Purpose of the Study:

    • To evaluate how immunization methods and municipal communication strategies influenced parental awareness and adherence to the revised BCG vaccination age.
    • To assess the impact of two-way communication (TWC) on the shift in infant immunization timing.

    Main Methods:

    • A study was conducted across 35 municipalities in Japan.
    • The monthly proportion of infants vaccinated between 3-4 months was assessed relative to all infants in 2013.
    • Immunization methods (group vs. individual) and TWC (home guidance, face-to-face explanation) were analyzed.

    Main Results:

    • Most municipalities saw a gradual decrease in infants vaccinated at 3-4 months post-revision.
    • No significant difference in vaccination proportions was found between group and individual immunization methods.
    • Variability in vaccination proportions increased over time in group immunization settings.
    • TWC with parents accelerated the decrease in 3-4 month vaccinations in municipalities with individual immunization schedules.

    Conclusions:

    • Municipalities with group immunization exhibited varied shifts in immunization age.
    • Two-way communication (TWC) with parents effectively accelerated the shift in immunization age for infants in municipalities employing individual immunization schedules.
    Abstract

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