Association of age-appropriate vaccination status at 24 months with all-cause hospitalizations: A retrospective cohort study.

ABSTRACT:

Background

Childhood vaccinations can be effective for preventing not only infectious diseases but also other diseases and traumas. This is because vaccines may have nonspecific immunological effects. Additionally, visits for vaccinations may benefit doctors in promoting the overall health of children. We assessed whether vaccination status at 24 months was associated with the incidence of all-cause hospitalization.

Methods

This retrospective cohort study used the vaccine records and healthcare claims from a Japanese city. We included children born between April 2014 and December 2020. Children who took all the following vaccine doses covered by the national immunization program at 24 months of age were defined as having an age-appropriate vaccination status: four doses of H

SUBMITTER: Maki W 

PROVIDER: S-EPMC12699229 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature