Evidence map›Paper›PMID 21765891›Full record

ArticlePloS one2011

The seroprevalence and seroincidence of enterovirus71 infection in infants and children in Ho Chi Minh City, Viet Nam.

Chau Bich Nguyen Tran, Hieu Trong Nguyen, Ha Thanh Thi Phan, Ngoc Van Tran, Bridget Wills, Jeremy Farrar, Joseph D Santangelo, Cameron P Simmons

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed, 2 pooled it
2.9field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

40 citing papers in PubMed, 2 syntheses or guidelines pooled it, 49 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 4 institutions in 2 countries.

Chau Bich Nguyen TranOxford University Clinical Research Unit, Ho Chi Minh City, Viet Nam.
Hieu Trong Nguyen
Ha Thanh Thi Phan
Ngoc Van Tran
Bridget Wills
Jeremy Farrar
Joseph D Santangelo
Cameron P Simmons
Oxford University Clinical Research Unit · VNUniversity of Oxford · GBHospital for Tropical Diseases · VNHung Vuong Hospital · VN

Funding

Wellcome Trust
6 · The paper itself

Abstract

Enterovirus 71 (EV71)-associated hand, foot and mouth disease has emerged as a serious public health problem in South East Asia over the last decade. To better understand the prevalence of EV71 infection, we determined EV71 seroprevalence and seroincidence amongst healthy infants and children in Ho Chi Minh City, Viet Nam. In a cohort of 200 newborns, 55% of cord blood samples contained EV71 neutralizing antibodies and these decayed to undetectable levels by 6 months of age in 98% of infants. The EV71 neutralizing antibody seroconversion rate was 5.6% in the first year and 14% in the second year of life. In children 5-15 yrs of age, seroprevalence of EV71 neutralizing antibodies was 84% and in cord blood it was 55%. Taken together, these data suggest EV71 force of infection is high and highlights the need for more research into its epidemiology and pathogenesis in high disease burden countries.

Indexed as

AdolescentAdultAntibodies, NeutralizingAntibodies, ViralChildCross-Sectional StudiesEnterovirus A, HumanEnterovirus InfectionsFetal BloodHand, Foot and Mouth DiseaseHumansImmunoglobulins, IntravenousIncidenceInfantSeroepidemiologic StudiesVietnamAntibodies, NeutralizingAntibodies, ViralImmunoglobulins, Intravenous

Identifiers

PMID21765891
PMCPMC3134465
OpenAlexW2064449313

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.