Evidence map›Paper›PMID 39612139›Full record

ArticleEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology2025

Murine typhus as the leading cause of non-focalized fever in the Canary Islands.

M Vélez-Tobarias, A M Torres-Vega, E Carmelo, J Morais-Martín, J A Pérez, C Gonzalo-Hernández, G Clot, C Ascaso-Terrén

Abstract read
In one paragraph

Article in European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Article
  2. Article
  3. Host Genetic Factors in Q Fever Susceptibility.Pathogens (Basel, Switzerland) · 2025
    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

8 authors.

M Vélez-TobariasServicio de Medicina Interna, Hospital Universitario de La Palma, La Palma, Spain. sairabot@hotmail.com.
A M Torres-VegaServicio de Medicina Interna, Hospital Insular Ntra. Sra. de los Reyes (HINSR), Valverde, El Hierro, Spain.
E CarmeloInstituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), Avenida Astrofísico Francisco Sánchez S/N, La Laguna, Tenerife, Spain.
J Morais-MartínServicio de Medicina Interna, Hospital Universitario de La Palma, La Palma, Spain.
J A PérezInstituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), Avenida Astrofísico Francisco Sánchez S/N, La Laguna, Tenerife, Spain.
C Gonzalo-HernándezServicio de Medicina Interna, Hospital Universitario de La Palma, La Palma, Spain.
G ClotInstitut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
C Ascaso-TerrénDepartment of Basic Clinical Practice, University of Barcelona, Barcelona, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

PURPOSE AND

methodsThis prospective study aims to diagnose the etiology of non-focalized fever lasting between 5 and 28 days in the islands of La Palma and El Hierro (Canary Islands, Spain) during 2021, using serology and PCR.

resultsThe etiological profile described in this study aligns with that of fever of intermediate duration (FID), with zoonoses being the primary cause. Murine typhus (MT) is identified as the leading cause, followed by Q fever (QF). The incidence of MT is the highest reported nationally and comparable to the highest in Europe, with 39.6 cases per 100,000 inhabitants in La Palma and 79.7 cases per 100,000 inhabitants in El Hierro. Q fever, known to be endemic to the Canary Islands, presents incidences of 26.5 cases per 100,000 inhabitants in La Palma and 15.6 cases per 100,000 inhabitants in El Hierro. MT shows no gender differences and has a homogeneous geographical distribution. In contrast, QF is more prevalent in men and has a heterogeneous geographical distribution.

conclusionsThe high incidence of MT found in both urban and peri-urban areas is particularly noteworthy. Its potential connection with climate change and/or the growth of the reservoir population in the Canary Islands remains unknown. MT's similarity to QF in terms of clinical signs and treatment, coupled with the absence of a specific protocol for early diagnosis, may have contributed to its underdiagnosis. MT can lead to significant health concerns, including risk of hospitalization, complications, and even death. Therefore, the registration of cases for epidemiological control is deemed essential.

Indexed as

FeverTyphus, Endemic Flea-BorneAdolescentAdultAgedAged, 80 and overAnimalsChildChild, PreschoolFemaleHumansIncidenceMaleMiddle AgedProspective StudiesQ FeverIncidence of zoonosesMolecular diagnosisMurine typhusNon-focalized feverQ feverSerology

Identifiers

PMID39612139
PMCPMC11754304

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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.