Evidence map›Paper›PMID 29554970›Full record

ArticleParasites & vectors2018

Ticks are more suitable than red foxes for monitoring zoonotic tick-borne pathogens in northeastern Italy.

Graziana Da Rold, Silvia Ravagnan, Fabio Soppelsa, Elena Porcellato, Mauro Soppelsa, Federica Obber, Carlo Vittorio Citterio, Sara Carlin, Patrizia Danesi, Fabrizio Montarsi and 1 more

Open access · goldAbstract read
In one paragraph

Article in Parasites & vectors, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
3.0field-weighted citation impact, top 9% 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

18 citing papers in PubMed, 1 synthesis or guideline pooled it, 27 citations in OpenAlex.

  1. Pooled it
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  3. Observational
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  11. Occurrence and Identification ofPathogens (Basel, Switzerland) · 2021
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  12. Pathogens (Basel, Switzerland) · 2021
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  16. Molecular Detection ofFrontiers in veterinary science · 2019
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  18. Diversity ofFrontiers in veterinary science · 2018
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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

11 authors at 2 institutions in 1 country.

Graziana Da RoldIstituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Silvia RavagnanIstituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Fabio SoppelsaLocal Health Unit, ULSS1-Dolomiti, Belluno, Italy.
Elena PorcellatoIstituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Mauro SoppelsaLocal Health Unit, ULSS1-Dolomiti, Belluno, Italy.
Federica ObberIstituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Carlo Vittorio CitterioIstituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Sara CarlinIstituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Patrizia DanesiIstituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Fabrizio MontarsiIstituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
Gioia CapelliIstituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy. gcapelli@izsvenezie.it.
Istituto Zooprofilattico Sperimentale delle Venezie · ITAzienda ULSS 9 TREVISO · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNortheastern Italy is a hotspot for several tick-borne pathogens, transmitted to animals and humans mainly by Ixodes ricinus. Here we compare the results of molecular monitoring of ticks and zoonotic TBPs over a six-year period, with the monitoring of red foxes (Vulpes vulpes) in an endemic area.

resultsIn the period 2011-2016, 2,578 ticks were collected in 38 sites of 20 municipalities of Belluno Province. Individual adults (264), pooled larvae (n = 330) and nymphs (n = 1984) were screened for tick-borne encephalitis virus, Borrelia burgdorferi (s.l.), Rickettsia spp., Babesia spp., Anaplasma phagocytophilum and "Candidatus Neoehrlichia mikurensis" by specific SYBR green real-time PCR assays and sequencing. The spleens of 97 foxes, culled in the period 2015-2017 during sport hunting or population control programs, were also screened. Overall, nine different pathogens were found in I. ricinus nymph and adult ticks: Rickettsia helvetica (3.69%); R. monacensis (0.49%); four species of the B. burgdorferi (s.l.) complex [B. afzelii (1.51%); B. burgdorferi (s.s.) (1.25%); B. garinii (0.18%); and B. valaisiana (0.18%)]; A. phagocytophilum (3.29%); "Candidatus N. mikurensis" (1.73%); and Babesia venatorum (0.04%). Larvae were collected and screened in the first year only and two pools (0.6%) were positive for R. helvetica. Tick-borne encephalitis virus was not found in ticks although human cases do occur in the area. The rate of infection in ticks varied widely according to tick developmental stage, site and year of collection. As expected, adults were the most infected, with 27.6% harboring at least one pathogen compared to 7.3% of nymphs. Pathogens with a minimum infection rate above 1% were recorded every year. None of the pathogens found in ticks were detectable in the foxes, 52 (54%) of which were instead positive for Babesia cf. microti (also referred to as Babesia microti-like, "Theileria annae", "Babesia annae" and "Babesia vulpes").

conclusionsThe results show that foxes cannot be used as sentinel animals to monitor tick-borne pathogens in the specific epidemiological context of northeastern Italy. The high prevalence of Babesia cf. microti in foxes and its absence in ticks strongly suggests that I. ricinus is not the vector of this pathogen.

Indexed as

AnimalsBabesiaEncephalitis Viruses, Tick-BorneEpidemiological MonitoringFoxesHumansItalyIxodesLarvaNymphRickettsiaTick InfestationsZoonosesIxodes ricinusMonitoringRed foxTick-borne pathogensZoonosis

Identifiers

PMID29554970
PMCPMC5859681
OpenAlexW2800670568

What OpenQuestion holds

Textmetadata
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.