355 results match your criteria: "Tick-Borne Diseases Q Fever"

Molecular screening of selected vector-borne pathogens circulating in owned dogs in the Caribbean archipelago of Guadeloupe (France).

Vet Parasitol Reg Stud Reports

November 2024

Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain; Fundación ARAID, Avda. Ranillas 1, 50018, Zaragoza, Spain; Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago, Chile.. Electronic address:

Article Synopsis
  • Vector-borne diseases pose significant health challenges due to their complex control and zoonotic nature, especially in tropical regions where vector activity is year-round.
  • In Guadeloupe, a study analyzed blood samples from 46 outdoor dogs across five veterinary clinics to identify the presence of canine vector-borne pathogens, revealing that 30.4% of the dogs were infected.
  • The most common pathogens found were Coxiella burnetii (17.4%) and Dirofilaria immitis (8.7%), while there were no infections from other commonly tested pathogens, highlighting a knowledge gap in vector-borne diseases in the Caribbean.
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Vector-borne diseases in Cyprus: A detailed review of the literature.

Trop Biomed

September 2024

Department of Medical and Clinical Microbiology, Cyprus International University, Nicosia, Northern Cyprus.

Vector-borne diseases have been a growing health concern in recent decades due to the global warming, globalization, and increased international travel. With the typical Mediterranean climate and geographical features, Cyprus provides favorable conditions for the growth and survival of arthropod species. For the purpose of this review article, the terms "Cyprus", "vectors" and "vectorborne diseases" were searched in the National Library of Medicine ('PubMed') and the Google Scholar databases.

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Molecular investigation of Coxiella burnetii, Brucella spp., Ehrlichia spp., and Borrelia spp. among patients suspected of having Crimean-Congo Hemorrhagic Fever in Iran.

J Infect Public Health

December 2024

Department of Epidemiology and Biostatics, Pasteur Institute of Iran, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran; Student Research Committee, Pasteur Institute of Iran, Tehran, Iran; National Reference Laboratory for Plague, Tularemia and Q Fever, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Akanlu, KabudarAhang, Hamadan, Iran. Electronic address:

Article Synopsis
  • The study focuses on Crimean-Congo Hemorrhagic Fever (CCHF), which is a tick-borne viral disease, and aims to examine the presence of specific bacterial infections among individuals who are suspected of having CCHF in Iran.
  • Researchers analyzed 260 serum samples from patients who tested negative for CCHF virus, finding 3.46% positive for brucellosis and 3.07% for Q fever, while no borreliosis or ehrlichiosis cases were detected.
  • The findings suggest that bacterial infections like brucellosis and Q fever should be considered when diagnosing CCHF, and further broad investigations into bacterial infections with similar symptoms are recommended.
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Q fever, caused by Coxiella burnetii, is an important zoonotic and public health concern worldwide. Kangaroos are thought to be a likely wildlife reservoir for C. burnetii in Australia and the kangaroo tick (Amblyomma triguttatum) has often been considered a vector.

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Article Synopsis
  • Tick-borne bacteria Rickettsia and Coxiella are linked to emerging diseases in humans and animals, and the Hyalomma ticks are known vectors for these pathogens.
  • A study in Pakistan identified seven species of ticks infesting transhumant camels and conducted molecular assays to detect the presence of Rickettsia and Coxiella.
  • The results showed the detection of Rickettsia aeschlimannii, Candidatus Rickettsia shennongii, and Coxiella burnetii, highlighting the potential health risks posed by these ticks to humans.
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Tick-borne pathogens are significant for human, veterinary, and wildlife health. Coxiella burnetii is an example that is widely distributed across various hosts and can cross species boundaries. In Pakistan, there is a scarcity of data regarding C.

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Oropharyngeal tularemia outbreak linked to drinking contaminated tap water in North-Western Iran.

Diagn Microbiol Infect Dis

November 2024

National Reference Laboratory for Plague, Tularemia and Q fever, Research Centre for Emerging and Reemerging infectious diseases, Pasteur Institute of Iran, Akanlu, Kabudar Ahang, Hamadan, Iran; Department of Epidemiology and Biostatistics, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran. Electronic address:

Article Synopsis
  • Tularemia, caused by the bacterium Francisella tularensis, is a common infectious disease that can affect humans and animals.
  • In 2020, a tularemia outbreak occurred in a northwestern village in Iran, affecting 15 people who had the oropharyngeal form of the disease.
  • The outbreak was likely connected to the consumption of contaminated drinking water in the area.
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Endocarditis Caused by : A Case Report in Western Iran.

J Arthropod Borne Dis

March 2024

Zoonoses Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran.

Background: Q fever is a contagious zoonotic disease which is caused by a gram-negative and intracellular known as ticks play a role in its transmission. Endocarditis is the most common consequence of chronic Q fever.

Methods: Here we report a case of endocarditis caused by Q fever.

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Aims: Coxiella burnetii is a highly infectious organism that is easily spread through aerosols causing Q fever in humans. Ticks can harbour and transmit C. burnetii to animals, contributing to disease maintenance.

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Detection of Various Rickettsial Species in Ticks Collected from Small Ruminants in Western Iran.

Vector Borne Zoonotic Dis

November 2024

National Reference Laboratory for Plague, Tularemia and Q fever, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Akanlu, Kabudar Ahang, Hamadan, Iran.

Article Synopsis
  • - The study examines the presence of rickettsial species in ticks and ruminants in western Iran, highlighting a lack of prior knowledge on the topic despite its clinical importance.
  • - Researchers collected 250 blood samples from sheep and goats alongside 244 ticks, using advanced molecular methods like qPCR to detect rickettsial DNA, finding a significant presence of these pathogens in ticks.
  • - The findings, which showed rickettsial DNA in 53.7% of the tick samples and no presence in ruminant blood, suggest a need for increased awareness and monitoring of rickettsioses in Iran's public health system.
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The Epidemiological Investigation of , , and Arenavirus Infections in Small Mammals in Northwestern Iran.

Vector Borne Zoonotic Dis

August 2024

Institut de Sytématique, Evolution et Biodiversité (ISYEB), Muséum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE-PSL, Université des Antilles, Paris, France.

The control and prevention of rodent-borne diseases are mainly based on our knowledge of ecology and the infectious status of their reservoir hosts. This study aimed to evaluate the prevalence of , , and arenavirus infections in small mammals and to assess the potential of disease occurrence in East Azerbaijan, northwest of Iran, in 2017 and 2018. Spleen and lung samples were obtained from all trapped small mammals.

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Epidemiology of tularemia in the countries of the WHO Eastern Mediterranean Region (EMRO): A systematic review and meta-analysis.

PLoS Negl Trop Dis

May 2024

Department of Epidemiology and Biostatistics, Research Center for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran.

Article Synopsis
  • Tularemia, caused by the bacterium Francisella tularensis, is widespread in the WHO Eastern Mediterranean Region and affects both humans and animals.
  • A systematic review and meta-analysis included 20 studies, revealing a human seroprevalence of 6.2% for tularemia in these countries.
  • The study highlighted that despite being endemic, tularemia is often neglected and research is limited, focusing mostly on a few countries within the region.
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Development, Strategies, and Challenges for Tularemia Vaccine.

Curr Microbiol

April 2024

National Reference Laboratory for Plague, Tularemia and Q Fever, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Akanlu, KabudarAhang, Hamadan, Iran.

Article Synopsis
  • - Francisella tularensis is a bacteria that can infect humans and animals, and it was considered for use as a biological weapon.
  • - The only available vaccine against it is a live-attenuated version developed over 50 years ago, but it's not approved for human or animal use.
  • - New vaccine options are being researched, including live, killed, and subunit candidates, and the study will look into their development challenges.
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Article Synopsis
  • The study focused on the prevalence of Q fever and rickettsioses in a pastoralist community in northern Tanzania, highlighting their commonality as causes of febrile illness.
  • Analysis involved 228 febrile patients, where significant serological evidence indicated high exposure rates to C. burnetii and SFG Rickettsia, with a notable prevalence of probable cases.
  • The research identified livestock slaughter as a significant risk factor, increasing the likelihood of acute Q fever and SFG rickettsioses among participants.
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Article Synopsis
  • - The study investigates the prevalence and diversity of tick-borne rickettsial pathogens in camels in Upper Egypt, revealing 2.96% prevalence of Anaplasma marginale and 0.34% of Candidatus Anaplasma camelii, the latter identified in Hyalomma ticks for the first time.
  • - Rickettsia aeschlimannii was documented for the first time in the region with a prevalence of 6.06%, while Coxiella burnetii was found at 8.08%, highlighting potential risks for Q fever transmission.
  • - Molecular techniques confirmed these findings and emphasized the need for ongoing research to better understand the epidemiology and impact of tick-borne
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Rickettsia conorii subsp. israelensis infection in a pediatric patient presenting skin rash and abdominal pain: a case report from Southeast Iran.

BMC Infect Dis

January 2024

National Reference Laboratory for Plague, Tularemia and Q Fever, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Kabudar Ahang, Akanlu, Hamadan, Iran.

Article Synopsis
  • The Iranian healthcare system does not adequately recognize Mediterranean spotted fever (MSF) as a common illness, especially in children, highlighting a need for increased awareness.
  • A six-year-old boy in southeast Iran exhibited symptoms such as fever, abdominal pain, and skin rashes, and was diagnosed with a rickettsial infection caused by Rickettsia conorii subsp. israelensis, which was confirmed through clinical tests.
  • Early symptoms of MSF can include rashes and abdominal pain, and diagnostic methods such as indirect fluorescent antibody (IFA) tests and real-time PCR are essential for accurate identification of the disease.
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Zoonotic diseases have a significant impact on both human and animal health globally. The present study was planned to prioritize the zoonoses in Punjab state of India. To develop a zoonotic disease prioritization scoring system, a comprehensive approach has been taken, including literature review, key person interviews with animal health experts (n = 12) and medical professionals (n = 7), and nine focus group discussions (FGDs) with veterinary academicians, medical professionals, and field veterinary doctors.

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Distribution and Prevalence of in Animals, Humans, and Ticks in Nigeria: A Systematic Review.

Infect Dis Rep

October 2023

Department of Veterinary Parasitology and Entomology, University of Maiduguri, P. M. B. 1069, Maiduguri 600230, Nigeria.

'Query' (Q) fever is a neglected but emerging or re-emerging zoonotic disease caused by the bacterium (C.) . Several host species are considered or speculated to be the primary reservoir hosts for human infection.

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Background: Understanding the microbiota of disease vectors can help for developing new strategies to prevent the transmission of vector pathogens. is one of the most notorious tick vectors with increasing importance in Iran and other parts of the world while there is limited data on its microbiota. This study aimed to use metagenomics for identifying the tick's microbiota of Iran.

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Ticks are involved in the circulation of a number of human pathogens, including spotted fever group (SFG) Rickettsia spp. and Coxiella burnetii. Little is known about the occurrence of these microorganisms in the southern region of Kazakhstan.

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Molecular investigation of Coxiella burnetii and Francisella tularensis infection in ticks in northern, western, and northwestern Iran.

PLoS One

August 2023

National Reference Laboratory for Plague, Tularemia and Q Fever, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Akanlu, KabudarAhang, Hamadan, Iran.

Tularemia and Q fever are endemic diseases in Iran; however, little information is available on the prevalence of the causative agents, Coxiella burnetii and Francisella tularensis, in Iranian ticks. This study investigated C. burnetii and F.

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Background: Severe fever with thrombocytopenia syndrome virus (SFTSV) is transmitted through tick bites. Ticks are potential vectors for the bacterium that causes Query fever. Here, we analyzed SFTSV and co-infection rates in ticks in rural areas of Jeju Island, South Korea.

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Article Synopsis
  • The study focuses on tick-borne haemoparasite infections in small ruminants in Kurdistan province, Iran, examining the prevalence of pathogens like Theileria, Babesia, and Anaplasma, and their tick vectors.
  • Researchers collected blood and tick samples from 250 animals and conducted analyses, revealing high prevalence rates of Theileria (91.2%) and lower rates for Anaplasma (23.2%) and Babesia (2.4%) using microscopy and PCR methods.
  • Significant associations were found between the presence of these pathogens and various clinical indicators such as body temperature, heart rate, and blood cell counts, indicating the health impact of these infections in small ruminants.
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Background: Ticks are vectors of many pathogens that involve various important diseases in humans and animals, they have several diverse hosts consequently can retain a diverse group of indigenous microbes, from bacteria to fungi. Little is known about the prevalence and diversity of tick microflora colonizing the midgut and their effects on ticks and their interaction. This information is important for development of vector control strategies.

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Clinical usefulness of metagenomic next-generation sequencing for Rickettsia and Coxiella burnetii diagnosis.

Eur J Clin Microbiol Infect Dis

June 2023

State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.

Rickettsia and Coxiella burnetii are zoonotic tick-borne pathogens that cause febrile illnesses in humans. Metagenomic next-generation sequencing (mNGS) is a new technology used to diagnose infectious diseases. However, clinical experience with applying the test to rickettsioses and Q fever is relatively limited.

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