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Global Impact of Rotavirus Vaccination on Childhood Hospitalizations and Mortality From Diarrhea.

ABSTRACT: In 2006, 2 rotavirus vaccines were licensed. We summarize the impact of rotavirus vaccination on hospitalizations and deaths from rotavirus and all-cause acute gastroenteritis (AGE) during the first 10 years since vaccine licensure, including recent evidence from countries with high child mortality. We used standardized guidelines (PRISMA) to identify observational evaluations of rotavirus vaccine impact among children <5 years of age that presented at least 12 months of pre- and post-vaccine introduction surveillance data. We identified 57 articles from 27 countries. Among children <5 years of age, the median percentage reduction in AGE hospitalizations was 38% overall and 41%, 30%, and 46% in countries with low, medium, and high child mortality, respectively. Hospitalizations and emergency department visits due to rotavirus AGE were reduced by a median of 67% overall and 71%, 59%, and 60% in countries with low, medium, and high child mortality, respectively. Implementation of rotavirus vaccines has substantially decreased hospitalizations from rotavirus and all-cause AGE.

SUBMITTER: Burnett E

PROVIDER: S-EPMC5543929 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Global Impact of Rotavirus Vaccination on Childhood Hospitalizations and Mortality From Diarrhea.

Burnett Eleanor E Jonesteller Christine L CL Tate Jacqueline E JE Yen Catherine C Parashar Umesh D UD

The Journal of infectious diseases 20170601 11

In 2006, 2 rotavirus vaccines were licensed. We summarize the impact of rotavirus vaccination on hospitalizations and deaths from rotavirus and all-cause acute gastroenteritis (AGE) during the first 10 years since vaccine licensure, including recent evidence from countries with high child mortality. We used standardized guidelines (PRISMA) to identify observational evaluations of rotavirus vaccine impact among children <5 years of age that presented at least 12 months of pre- and post-vaccine in ...[more]

PMID: 28430997

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Project description:BackgroundAlthough live attenuated monovalent human rotavirus vaccine (Rotarix) efficacy has been characterized through randomized studies, its effectiveness, especially in non-clinical settings, is less clear. In this study, we estimate the impact of childhood Rotarix® vaccination on community rotavirus prevalence.MethodsWe analyse 10 years of serial population-based diarrhoea case-control study, which also included testing for rotavirus infection (n = 3430), and 29 months of all-cause diarrhoea active surveillance from a child cohort (n = 376) from rural Ecuador during a period in which Rotarix vaccination was introduced. We use weighted logistic regression from the case-control data to assess changes in community rotavirus prevalence (both symptomatic and asymptomatic) and all-cause diarrhoea after the vaccine was introduced. We also assess changes in all-cause diarrhoea rates in the child cohort (born 2008-13) using Cox regression, comparing time to first all-cause diarrhoea case by vaccine status.ResultsOverall, vaccine introduction among age-eligible children was associated with a 82.9% reduction [95% confidence interval (CI): 49.4%, 94.2%] in prevalence of rotavirus in participants without diarrhoea symptoms and a 46.0% reduction (95% CI: 6.2%, 68.9%) in prevalence of rotavirus infection among participants experiencing diarrhoea. Whereas all age groups benefited, this reduction was strongest among the youngest age groups. For young children, prevalence of symptomatic diarrhoea also decreased in the post-vaccine period in both the case-control study (reduction in prevalence for children <1 year of age = 69.3%, 95% CI: 8.7%, 89.7%) and the cohort study (reduction in hazard for receipt of two Rotarix doses among children aged 0.5-2 years = 57.1%, 95% CI: 16.6, 77.9%).ConclusionsRotarix vaccination may suppress transmission, including asymptomatic transmission, in low- and middle-income settings. It was highly effective among children in a rural community setting and provides population-level benefits through indirect protection among adults.

Dataset Information

Global Impact of Rotavirus Vaccination on Childhood Hospitalizations and Mortality From Diarrhea.

Publications

Global Impact of Rotavirus Vaccination on Childhood Hospitalizations and Mortality From Diarrhea.

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