Evidence map›Paper›PMID 39817354›Full record

SynthesisTransactions of the Royal Society of Tropical Medicine and Hygiene2025

A systematic review of variables associated with snakebite risk in spatial and temporal analyses.

Shelui Collinson, Thomas Lamb, Iara A Cardoso, Peter J Diggle, David G Lalloo

Abstract readSystematic Review
In one paragraph

Synthesis in Transactions of the Royal Society of Tropical Medicine and Hygiene, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Vipera Snakebite in Children: A Focus on Europe.Children (Basel, Switzerland) · 2025
    Review
  5. Article
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

5 authors.

Shelui CollinsonCentre for Snakebite Research and Interventions, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK.ORCID 0000-0003-3857-773X
Thomas LambDepartment of Infectious diseases and Tropical Medicine, Manchester Foundation Trust, Manchester, UK.ORCID 0000-0001-6102-2981
Iara A CardosoCentre for Snakebite Research and Interventions, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK.ORCID 0000-0002-0288-4706
Peter J DiggleCentre for Snakebite Research and Interventions, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK.ORCID 0000-0003-3521-5020
David G LallooCentre for Snakebite Research and Interventions, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK.ORCID 0000-0001-7680-2200

Funding

Wellcome TrustWellcome Trust 203919/Z/16/Z
6 · The paper itself

Abstract

backgroundSnakebite is a priority neglected tropical disease, but incidence data are lacking; current estimates rely upon incomplete health facility reports or ad hoc surveys. Spatial analysis methods harness statistical associations between case incidence and spatially varying factors to improve estimates. This systematic review aimed to identify variables associated with snakebite risk in spatial and temporal analyses for inclusion in geospatial studies to improve risk estimation accuracy.

methodsWe searched MEDLINE, Global Health, PubMed and Web of Science in January 2023 for studies published since 1980 assessing snakebite outcomes and spatially varying factors at the setting level. Study quality was assessed using an adapted Joanna Briggs Institute tool. The results are presented by narrative synthesis.

resultsThirty-five studies were eligible; the majority were from Central and South America (18), then Asia (11). Climate and environment were most frequently assessed, with temperature, humidity and tree cover predominantly positively associated with snakebite risk, drought negatively associated and altitude negative/mixed. Crop and livestock variables mostly showed positive associations; population density and urban residence overwhelmingly displayed negative associations.

conclusionsThis review identifies key variables that should be considered in future snakebite risk research. Limitations include low research availability from the highest risk regions. There is an evident need for greater research into snakebite risk variation, particularly in sub-Saharan Africa.

Indexed as

Snake BitesAnimalsClimateHumansIncidenceRisk AssessmentRisk FactorsSpatio-Temporal Analysisepidemiologysnakebite envenomingspatial analysisspatiotemporal analysis

Identifiers

PMID39817354
PMCPMC12403204

What OpenQuestion holds

Textmetadata
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.