Evidence map›Paper›PMID 34261441›Full record

ArticleBMC infectious diseases2021

Molecular epidemiology and genetic diversity of norovirus among hospitalized children with acute gastroenteritis in Tianjin, China, 2018-2020.

Yulian Fang, Zhaoying Dong, Yan Liu, Wei Wang, Mengzhu Hou, Jinying Wu, Lu Wang, Yu Zhao

Open access · goldAbstract read
In one paragraph

Article in BMC infectious diseases, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
1.2field-weighted citation impact, top 17% 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

14 citing papers in PubMed, 1 synthesis or guideline pooled it, 23 citations in OpenAlex.

  1. Pooled it
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  3. Clinical and Genotypic Features of Norovirus Enteritis in Children Complicated by Convulsions: A Retrospective Study in Kunming, China.The Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale · 2026
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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 1 country.

Yulian Fang *Tianjin Pediatric Research Institute, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Tianjin Key Laboratory of Birth Defects for Prevention and Treatment, No.238 Longyan Road, Beichen District, Tianjin, 300134, China.
Zhaoying Dong *Department of Neurology, Tianjin Union Medical Centre, No. 190 Jieyuan Road, Hongqiao District, Tianjin, 300121, China.
Yan Liu *Clinical Pediatric College of Tianjin Medical University, No.238 Longyan Road, Beichen District, Tianjin, 300134, China.
Wei WangTianjin Pediatric Research Institute, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Tianjin Key Laboratory of Birth Defects for Prevention and Treatment, No.238 Longyan Road, Beichen District, Tianjin, 300134, China.
Mengzhu HouTianjin Pediatric Research Institute, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Tianjin Key Laboratory of Birth Defects for Prevention and Treatment, No.238 Longyan Road, Beichen District, Tianjin, 300134, China.
Jinying WuTianjin Pediatric Research Institute, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Tianjin Key Laboratory of Birth Defects for Prevention and Treatment, No.238 Longyan Road, Beichen District, Tianjin, 300134, China.
Lu WangTianjin Pediatric Research Institute, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Tianjin Key Laboratory of Birth Defects for Prevention and Treatment, No.238 Longyan Road, Beichen District, Tianjin, 300134, China.
Yu ZhaoDepartment of Digestion, Tianjin Children's Hospital (Children's Hospital of Tianjin University), No.238 Longyan Road, Beichen District, Tianjin, 300134, China. 13820895532@163.com.
Tianjin University · CNTianjin Children's Hospital · CNTianjin Medical University · CNUnion Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNorovirus (NoV) is a major cause of viral acute gastroenteritis (AGE) in children worldwide. Epidemiological analysis with respect to the virus strains is limited in China. This study aimed to investigate the prevalence, patterns, and molecular characteristics of NoV infection among children with AGE in China.

methodsA total 4848 stool samples were collected from children who were admitted with AGE in Tianjin Children's Hospital from August 2018 to July 2020. NoV was preliminarily detected using real-time reverse transcription polymerase chain reaction (RT-PCR). Partial sequences of the RNA-dependent RNA polymerase (RdRp) and capsid genes of positive samples were amplified by conventional RT-PCR and then sequenced. The NoV genotype was determined by online Norovirus Typing Tool Version 2.0, and phylogenetic analysis was conducted using MEGA 6.0.

resultsThe prevalence of NoV was 26.4% (1280/4848). NoV was detected in all age groups, with the 7-12 months group having the highest detection rate (655/2014, 32.5%). NoV was detected during most part of the year with higher frequency in winter than other seasons. Based on the genetic analysis of RdRp, GII. Pe was the most predominant genotype detected at 70.7% (381/539) followed by GII.P12 at 25.4% (137/539). GII.4 was the most predominant capsid genotype detected at 65.3% (338/518) followed by GII.3 at 26.8% (139/518). Based on the genetic analysis of RdRp and capsid sequences, the strains were clustered into 10 RdRp-capsid genotypes: GII.Pe-GII.4 Sydney 2012 (65.5%), GII.P12-GII.3 (27.2%), GII.P16-GII.2 (1.8%), GII.P12-GII.2 (0.2%), GII.P17-GII.17 (1.1%), GII.Pe-GII.3 (1.8%), GII.Pe-GII.2 (1.1%), GII.Pe-GII.1 (0.4%), GII.16-GII.4 Sydney 2012 (0.7%), and GII.P7-GII.6 (0.2%). The predominant NoV genotypes changed from GII.Pe-GII.4 Sydney 2012 and GII.P12-GII.3 between August 2018 and July 2019 to GII.Pe-GII.4 Sydney 2012 and GII.P16-GII.2 between August 2019 and July 2020. The patients with GII.Pe-GII.4 Sydney 2012 genotype were more likely to suffer from vomiting symptom than those with GII.P12-GII.3.

conclusionsNoV is an important pathogen responsible for viral AGE among children in China. GII.Pe-GII.4 Sydney 2012 and GII.P12-GII.3 were major recombinant genotypes. Knowledge of circulating genotypes and seasonal trends is of great importance for disease prevention and surveillance.

Indexed as

Caliciviridae InfectionsGastroenteritisNorovirusCapsid ProteinsChildChinaFemaleHospitals, PediatricHumansInfantMalePrevalenceRNA, ViralCapsid ProteinsRNA, ViralAcute gastroenteritisCapsidChildrenGenotypeNorovirusRdRp

Identifiers

PMID34261441
PMCPMC8277986
OpenAlexW3179024797

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.