Evidence map›Paper›PMID 31901105›Full record

ArticleParasitology research2020

Ixodid tick species and two tick-borne pathogens in three areas in the Sudan.

Yassir Adam Shuaib, Ahmed Muhammed-Ahmed Wd Elhag, Yassir Abakar Brima, Mohamed Abdalsalam Abdalla, Amel Omer Bakiet, Saad El-Tiab Mohmed-Noor, Giulia Lemhöfer, Malena Bestehorn, Sven Poppert, Sabine Schaper and 3 more

Abstract read
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Article in Parasitology research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing 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

20 citing papers in PubMed.

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  11. Distribution and Prevalence ofMicroorganisms · 2023
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  13. First report of spotted fever groupFrontiers in microbiology · 2023
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  16. High Prevalence and New Genotype ofPathogens (Basel, Switzerland) · 2021
    Article
  17. Article
  18. Article
  19. Tick Fauna and AssociatedMicroorganisms · 2020
    Article
  20. 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

13 authors.

Yassir Adam ShuaibCollege of Veterinary Medicine, Sudan University of Science and Technology, Khartoum North, Sudan.
Ahmed Muhammed-Ahmed Wd ElhagVeterinary Ambulance, Khartoum, Sudan.
Yassir Abakar BrimaMinistry of Animal Resources, Al-Jenainah, West Darfur State, Sudan.
Mohamed Abdalsalam AbdallaCollege of Veterinary Medicine, Sudan University of Science and Technology, Khartoum North, Sudan.
Amel Omer BakietCollege of Veterinary Medicine, Sudan University of Science and Technology, Khartoum North, Sudan.
Saad El-Tiab Mohmed-NoorVeterinary Ambulance, Khartoum, Sudan.
Giulia LemhöferBundeswehr Institute of Microbiology, Munich, Germany.
Malena BestehornUniversity of Hohenheim, Stuttgart, Germany.
Sven PoppertSwiss Tropical and Public Health Institute, Basel, Switzerland.
Sabine SchaperBundeswehr Institute of Microbiology, Munich, Germany.
Gerhard DoblerBundeswehr Institute of Microbiology, Munich, Germany.
Deon K BakkesGertrud Theiler Tick Museum, Onderstepoort Veterinary Research, Pretoria, South Africa.
Lidia Chitimia-DoblerBundeswehr Institute of Microbiology, Munich, Germany. lydiachitimia@gmail.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Ticks are important parasites from economic and public health points of view because of their ability to reduce farm animals' productivity and transmit zoonotic diseases. We conducted this cross-sectional study between January and March 2016 and between March and April 2017 to identify tick species in West Darfur, Al-Jazeera, and the River Nile states in the Sudan and to investigate whether these ticks carry Rickettsia spp. and Crimean-Congo hemorrhagic fever (CCHF) virus. In total, 1593 ticks were collected from 207 animals and identified based on morphology or 16S rRNA gene and tested for Rickettsia spp. and CCHF virus either individually or as pools containing 2 to 10 pooled ticks using molecular methods. Overall, 14 tick species belonging to three genera, namely Amblyomma, Hyalomma, and Rhipicephalus, were identified. Hyalomma anatolicum and Rhipicephalus evertsi evertsi were the most frequent ticks. A total of 561 tests comprised of individual or pooled ticks were conducted and 13.7% (77/561) were positive for Rickettsia spp. which were mostly Rickettsia aeschlimannii and R. africae. The highest positivity was noticed among H. rufipes collected from cattle and camels in West Darfur. However, none of the screened Hyalomma ticks harbored CCHF viral RNA. These findings suggest that there might be a risk of zoonotic transmission of Rickettsia spp. by ticks but zoonotic transmission of CCHF virus is apparently doubtful. An in-depth and a country-wide epidemiological study is needed to better understand the dynamic of Rickettsia spp. and CCHF virus in the Sudan.

Indexed as

AnimalsCamelusCattleCross-Sectional StudiesHemorrhagic Fever, CrimeanHemorrhagic Fever Virus, Crimean-CongoIxodidaeParasitesRickettsiaRickettsia InfectionsRNA, Ribosomal, 16SSudanTick-Borne DiseasesZoonosesRNA, Ribosomal, 16SCCHF virusRickettsia spp.the SudanTicks

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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.