Epidemiological impact of the Korean national immunization program on varicella incidence

Jaehun Jung, Young Jin Ko, Young Eun Kim, Kyungmin Huh, Byung Joo Park, Seok Jun Yoon

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)


    The number of reported varicella cases is continuously increasing in Korea; however, associated medical utilization is declining. The ratio between varicella insurance claims and reports of passive infectious disease surveillance has gradually increased to > 80% since the second half of 2017. The recent increase in reported varicella cases is influenced by improved reporting. We calculated the varicella incidence and cumulative incidence in each birth cohort according to age. The cumulative incidence rate among children aged < 6 years in the birth cohort born after the National Immunization Program introduced the varicella vaccine was about 60% lower than among children born before.

    Original languageEnglish
    Article numbere53
    JournalJournal of Korean medical science
    Issue number7
    Publication statusPublished - 2019 Feb 1


    • Birth Cohort
    • National Immunization Program
    • Varicella
    • Varicella Vaccine

    ASJC Scopus subject areas

    • Medicine(all)


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