Evidence map›Paper›PMID 32287307›Full record

ArticlePLoS neglected tropical diseases2020

The estimated burden of scrub typhus in Thailand from national surveillance data (2003-2018).

Tri Wangrangsimakul, Ivo Elliott, Supalert Nedsuwan, Rawadee Kumlert, Soawapak Hinjoy, Kittipong Chaisiri, Nicholas P J Day, Serge Morand

Open access · goldAbstract read
In one paragraph

Article in PLoS neglected tropical diseases, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
5.7field-weighted citation impact, top 3% 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

38 citing papers in PubMed, 61 citations in OpenAlex.

  1. Trial
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  9. Observational
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  12. Article
  13. Epidemiological Changes in Acute Febrile Diseases after the COVID-19 Pandemic in Thailand.The American journal of tropical medicine and hygiene · 2025
    Article
  14. Rickettsiosis Infections in Sarawak: Epidemiological Insights and Public Health Strategies.The Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale · 2025
    Review
  15. Article
  16. Community engagement around scrub typhus in northern Thailand: a pilot project.Transactions of the Royal Society of Tropical Medicine and Hygiene · 2024
    Article
  17. Scrub typhus strikes: Menacing maternal and fetal health.Journal of family medicine and primary care · 2024
    Article
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  19. Article
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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 4 countries.

Tri WangrangsimakulMahidol-Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.ORCID 0000-0003-0430-5699
Ivo ElliottCentre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom.
Supalert NedsuwanSocial and Preventative Medicine Department, Chiangrai Prachanukroh Hospital, Ministry of Public Health, Chiangrai, Thailand.ORCID 0000-0002-2993-0733
Rawadee KumlertThe Office of Disease Prevention and Control 12 Songkhla Province, Department of Disease Control, Ministry of Public Health, Nonthaburi, Thailand.
Soawapak HinjoyDepartment of Disease Control, Ministry of Public Health, Nonthaburi, Thailand.
Kittipong ChaisiriDepartment of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
Nicholas P J DayMahidol-Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
Serge MorandCNRS ISEM-CIRAD ASTRE, Faculty of Veterinary Technology, Kasetsart University, Bangkok, Thailand.
Mahidol University · THMinistry of Public Health · THKasetsart University · THMahosot Hospital · LA

Funding

Wellcome TrustWellcome Trust 105731/Z/14/Z
6 · The paper itself

Abstract

backgroundScrub typhus is a major cause of acute febrile illness in the tropics and is endemic over large areas of the Asia Pacific region. The national and global burden of scrub typhus remains unclear due to limited data and difficulties surrounding diagnosis. METHODOLOGY/PRINCIPAL

findingsScrub typhus reporting data from 2003-2018 were collected from the Thai national disease surveillance system. Additional information including the district, sub-district and village of residence, population, geographical, meteorological and satellite imagery data were also collected for Chiangrai, the province with the highest number of reported cases from 2003-2018. From 2003-2018, 103,345 cases of scrub typhus were reported with the number of reported cases increasing substantially over the observed period. There were more men than women, with agricultural workers the main occupational group affected. The majority of cases occurred in the 15-64 year old age group (72,144/99,543, 72%). Disease burden was greatest in the northern region, accounting for 53% of the total reported cases per year (mean). In the northern region, five provinces-Chiangrai, Chiangmai, Tak, Nan and Mae Hong Son-accounted for 84% (46,927/55,872) of the total cases from the northern region or 45% (46,927/103,345) of cases nationally. The majority of cases occurred from June to November but seasonality was less marked in the southern region. In Chiangrai province, elevation, rainfall, temperature, population size, habitat complexity and diversity of land cover contributed to scrub typhus incidence.

interpretationThe burden of scrub typhus in Thailand is high with disease incidence rising significantly over the last two decades. However, disease burden is not uniform with northern provinces particularly affected. Agricultural activity along with geographical, meteorological and land cover factors are likely to contribute to disease incidence. Our report, along with existing epidemiological data, suggests that scrub typhus is the most clinically important rickettsial disease globally.

Indexed as

Cost of IllnessEpidemiological MonitoringTopography, MedicalAdolescentAdultAgedAged, 80 and overChildChild, PreschoolHumansIncidenceInfantMiddle AgedRisk FactorsScrub TyphusThailand

Identifiers

PMID32287307
PMCPMC7182275
OpenAlexW3016115142

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.