Sustained reduction in rotavirus-coded hospitalizations in children aged <5 years after introduction of self-financed rotavirus vaccines in Japan

This is an extension of our previous study, which evaluated the incidence of seasonal rotavirus gastroenteritis (RVGE) hospitalizations in children aged <5 years from 2009 to 2015 in Japan. Here, we evaluated the incidence of RVGE hospitalizations in children aged <10 years during the rotaviru...

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Main Authors: Masayuki Kobayashi, Makoto Miyazaki, Akira Ogawa, Masatoshi Tatsumi
Format: Article
Language:English
Published: Taylor & Francis Group 2020-01-01
Series:Human Vaccines & Immunotherapeutics
Subjects:
Online Access:http://dx.doi.org/10.1080/21645515.2019.1638204
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author Masayuki Kobayashi
Makoto Miyazaki
Akira Ogawa
Masatoshi Tatsumi
author_facet Masayuki Kobayashi
Makoto Miyazaki
Akira Ogawa
Masatoshi Tatsumi
author_sort Masayuki Kobayashi
collection DOAJ
description This is an extension of our previous study, which evaluated the incidence of seasonal rotavirus gastroenteritis (RVGE) hospitalizations in children aged <5 years from 2009 to 2015 in Japan. Here, we evaluated the incidence of RVGE hospitalizations in children aged <10 years during the rotavirus season (January‒June) from 2009 to 2017 in Japan, before and after the monovalent and pentavalent rotavirus vaccines were introduced in November 2011 and July 2012, using the same health insurance claims database and study methods. In children aged <5 years, the incidence of RVGE hospitalizations greatly declined in 2014 after vaccine introduction, consistent with our previous findings, and the decline was sustained until 2017. However, in children aged ≥5‒<10 years, no apparent trend for a continuous decline in RVGE hospitalizations was observed during the study period. Improved RV vaccination coverage may lead to a further reduction in severe RVGE in Japan.
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spelling doaj.art-060823809a2f4a9d901b7fb9fb30e1f32023-09-22T08:45:32ZengTaylor & Francis GroupHuman Vaccines & Immunotherapeutics2164-55152164-554X2020-01-0116113213710.1080/21645515.2019.16382041638204Sustained reduction in rotavirus-coded hospitalizations in children aged <5 years after introduction of self-financed rotavirus vaccines in JapanMasayuki Kobayashi0Makoto Miyazaki1Akira Ogawa2Masatoshi Tatsumi3MSD K.KMSD K.KMSD K.KOtaru Kyokai HospitalThis is an extension of our previous study, which evaluated the incidence of seasonal rotavirus gastroenteritis (RVGE) hospitalizations in children aged <5 years from 2009 to 2015 in Japan. Here, we evaluated the incidence of RVGE hospitalizations in children aged <10 years during the rotavirus season (January‒June) from 2009 to 2017 in Japan, before and after the monovalent and pentavalent rotavirus vaccines were introduced in November 2011 and July 2012, using the same health insurance claims database and study methods. In children aged <5 years, the incidence of RVGE hospitalizations greatly declined in 2014 after vaccine introduction, consistent with our previous findings, and the decline was sustained until 2017. However, in children aged ≥5‒<10 years, no apparent trend for a continuous decline in RVGE hospitalizations was observed during the study period. Improved RV vaccination coverage may lead to a further reduction in severe RVGE in Japan.http://dx.doi.org/10.1080/21645515.2019.1638204rotavirusrotavirus gastroenteritisvaccinehospitalizationchildrenreduction
spellingShingle Masayuki Kobayashi
Makoto Miyazaki
Akira Ogawa
Masatoshi Tatsumi
Sustained reduction in rotavirus-coded hospitalizations in children aged <5 years after introduction of self-financed rotavirus vaccines in Japan
Human Vaccines & Immunotherapeutics
rotavirus
rotavirus gastroenteritis
vaccine
hospitalization
children
reduction
title Sustained reduction in rotavirus-coded hospitalizations in children aged <5 years after introduction of self-financed rotavirus vaccines in Japan
title_full Sustained reduction in rotavirus-coded hospitalizations in children aged <5 years after introduction of self-financed rotavirus vaccines in Japan
title_fullStr Sustained reduction in rotavirus-coded hospitalizations in children aged <5 years after introduction of self-financed rotavirus vaccines in Japan
title_full_unstemmed Sustained reduction in rotavirus-coded hospitalizations in children aged <5 years after introduction of self-financed rotavirus vaccines in Japan
title_short Sustained reduction in rotavirus-coded hospitalizations in children aged <5 years after introduction of self-financed rotavirus vaccines in Japan
title_sort sustained reduction in rotavirus coded hospitalizations in children aged 5 years after introduction of self financed rotavirus vaccines in japan
topic rotavirus
rotavirus gastroenteritis
vaccine
hospitalization
children
reduction
url http://dx.doi.org/10.1080/21645515.2019.1638204
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AT akiraogawa sustainedreductioninrotaviruscodedhospitalizationsinchildrenaged5yearsafterintroductionofselffinancedrotavirusvaccinesinjapan
AT masatoshitatsumi sustainedreductioninrotaviruscodedhospitalizationsinchildrenaged5yearsafterintroductionofselffinancedrotavirusvaccinesinjapan