Evidence map›Paper›PMID 32972398›Full record

ArticleBMC medicine2020

Antibody responses to a suite of novel serological markers for malaria surveillance demonstrate strong correlation with clinical and parasitological infection across seasons and transmission settings in The Gambia.

Lindsey Wu, Julia Mwesigwa, Muna Affara, Mamadou Bah, Simon Correa, Tom Hall, Susheel K Singh, James G Beeson, Kevin K A Tetteh, Immo Kleinschmidt and 2 more

Open access · goldAbstract read
In one paragraph

Article in BMC medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
4.5field-weighted citation impact, top 5% 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

29 citing papers in PubMed, 36 citations in OpenAlex.

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  10. Serological evidence of continued exposure toFrontiers in microbiology · 2025
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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

12 authors at 6 institutions in 6 countries.

Lindsey WuFaculty of Infectious Tropical Diseases, Department of Infection Biology, London School of Hygiene and Tropical Medicine (LSHTM), London, WC1E 7HT, UK. lindsey.wu@lshtm.ac.uk.
Julia MwesigwaMedical Research Council Unit The Gambia at London School of Hygiene and Tropical Medicine, Fajara, The Gambia.
Muna AffaraBernhard Nocht Institute for Tropical Medicine (BNITM), Arusha, Tanzania.
Mamadou BahMedical Research Council Unit The Gambia at London School of Hygiene and Tropical Medicine, Fajara, The Gambia.
Simon CorreaMedical Research Council Unit The Gambia at London School of Hygiene and Tropical Medicine, Fajara, The Gambia.
Tom HallSt. George's University of London (SGUL), London, UK.
Susheel K SinghDepartment for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark.
James G BeesonBurnet Institute, Melbourne, Australia.
Kevin K A TettehFaculty of Infectious Tropical Diseases, Department of Infection Biology, London School of Hygiene and Tropical Medicine (LSHTM), London, WC1E 7HT, UK.
Immo KleinschmidtFaculty of Epidemiology and Population Health, Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine (LSHTM), London, WC1E 7HT, UK.
Umberto D'AlessandroMedical Research Council Unit The Gambia at London School of Hygiene and Tropical Medicine, Fajara, The Gambia.
Chris DrakeleyFaculty of Infectious Tropical Diseases, Department of Infection Biology, London School of Hygiene and Tropical Medicine (LSHTM), London, WC1E 7HT, UK.
London School of Hygiene & Tropical Medicine · GBMRC Unit the Gambia · GMBurnet Institute · AUInternational Institute of Tropical Agriculture · TZSt George's, University of London · GBUniversity of Copenhagen · DK

Funding

Medical Research Council MC_EX_MR/J002364/1Medical Research Council MR/J003999/1
6 · The paper itself

Abstract

backgroundAs malaria transmission declines, sensitive diagnostics are needed to evaluate interventions and monitor transmission. Serological assays measuring malaria antibody responses offer a cost-effective detection method to supplement existing surveillance tools.

methodsA prospective cohort study was conducted from 2013 to 2015 in 12 villages across five administrative regions in The Gambia. Serological analysis included samples from the West Coast Region at the start and end of the season (July and December 2013) and from the Upper River Region in July and December 2013 and April and December 2014. Antigen-specific antibody responses to eight Plasmodium falciparum (P. falciparum) antigens-Etramp5.Ag1, GEXP18, HSP40.Ag1, Rh2.2030, EBA175 RIII-V, PfMSP1

resultsStrong associations were observed between clinical malaria and concurrent sero-positivity to Etramp5.Ag1 (aOR 4.60 95% CI 2.98-7.12), PfMSP1

conclusionsAt low transmission, long-lived antibody responses could indicate foci of malaria transmission that have been ongoing for several seasons or years. In settings where sub-patent infections are prevalent and fluctuate below the detection limit of polymerase chain reaction (PCR), the presence of short-lived antibodies may indicate recent infectivity, particularly in the dry season when clinical cases are rare. Serological responses may reflect a persistent reservoir of infection, warranting community-targeted interventions if individuals are not clinically apparent but have the potential to transmit. Therefore, serological surveillance at the individual and household level may be used to target interventions where there are foci of asymptomatically infected individuals, such as by measuring the magnitude of age-stratified antibody levels or identifying areas with clustering of above-average antibody responses across a diverse range of serological markers.

Indexed as

Seroepidemiologic StudiesAdolescentAntibody FormationChildChild, PreschoolFemaleGambiaHumansMalaria, VivaxMalePrevalenceProspective StudiesSeasonsMalariaSerologySurveillance

Identifiers

PMID32972398
PMCPMC7517687
OpenAlexW3088442800

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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.