Evidence map›Paper›PMID 34666692›Full record

SynthesisBMC infectious diseases2021

Global dengue importation: a systematic review.

Xiao Wei Sylvia Gwee, Pearleen Ee Yong Chua, Junxiong Pang

Abstract readSystematic Review
In one paragraph

Synthesis 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 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
–field-weighted citation impact
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

35 citing papers in PubMed.

  1. Article
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  8. Tracing Dengue's Evolutionary and Phylogenetic Pathways.Current topics in microbiology and immunology · 2026
    Review
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  12. Review
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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

3 authors.

Xiao Wei Sylvia GweeSaw Swee Hock School of Public Health, National University of Singapore, National University Health System, Singapore, Singapore.
Pearleen Ee Yong ChuaSaw Swee Hock School of Public Health, National University of Singapore, National University Health System, Singapore, Singapore.
Junxiong PangSaw Swee Hock School of Public Health, National University of Singapore, National University Health System, Singapore, Singapore. pangv@hotmail.com.ORCID http://orcid.org/0000-0002-9788-701X

Funding

Ministry of Defence N-608-000-065-001
6 · The paper itself

Abstract

backgroundImportation of dengue following globalization presents an emerging threat to global health. However, evidence on global geographical sources and the potential of dengue importation globally are lacking. This study aims to systematically review the sources of dengue importation globally and the risk of dengue outbreaks globally.

methodsThis systematic review was conducted in accordance to Cochrane's PRISMA guidelines. Articles published through 31 December 2019 with laboratory-confirmed dengue imported cases were consolidated from PubMed, EMBASE and Scopus. Sources of dengue importation reported worldwide were analysed by country and geographical regions. Sources of dengue importation into United States of America and Europe specifically were also analysed.

resultsA total of 3762 articles were found. Among which, 210 articles-documenting 14,972 imported dengue cases with reported sources-were eligible. 76.3% of imported cases worldwide were from Asia. 15.7%, 5.6%, 2.0% and 0.1% were imported from the Americas, Africa, Oceania and Europe regions respectively. Imported dengue cases in the U.S. were from Americas (55.3%), Asia (34.7%), Africa (6.7%) and Oceania (3.3%). Imported dengue cases in Europe were from Asia (66.0%), Americas (21.9%), Africa (10.8%) and Oceania (1.1%).

conclusionThe potential of dengue outbreaks occurring globally, especially among non-endemic regions with dengue-susceptible populations is high. With the expansion of Aedes mosquito population globally due to global warming and globalisation, dengue importation constitutes an emerging global health security threat.

Indexed as

AedesDengueAnimalsDisease OutbreaksEuropeGlobal HealthHumansDengueGlobal healthImportationOutbreakPublic health

Identifiers

PMID34666692
PMCPMC8524397

What OpenQuestion holds

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LicenceCC BY
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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.