3,149 results match your criteria Ehrlichiosis


Isolation and molecular detection of Ehrlichia species from ticks in western, central, and eastern Japan.

Ticks Tick Borne Dis 2018 Nov 13. Epub 2018 Nov 13.

United Graduate School of Agricultural Science and Veterinary Science, Gifu University, Gifu, Japan; Department of Virology 1, National Institute of Infectious Diseases, Tokyo, Japan.

Ehrlichiosis is a tick-borne bacterial disease caused by pathogens of the Ehrlichia genus. Although human ehrlichiosis has not been reported in Japan, Ehrlichia spp., which are closely related to Ehrlichia chaffeensis, were detected in several species of ixodid ticks. Read More

View Article
November 2018

Ehrlichiosis presenting as severe sepsis and meningoencephalitis in an immunocompetent adult.

JMM Case Rep 2018 Sep 27;5(9):e005162. Epub 2018 Jul 27.

Department of Pharmacy Practice and Science, University of Kentucky College of Pharmacy, Lexington, KY, USA.

Introduction: are obligate intracellular pathogens transmitted to vertebrates by ticks.

Case Presentation: We report the case of a 59-year-old man who presented to the University of Kentucky Albert B. Chandler Medical Center (Lexington, KY, USA) after being found fallen down in the woods. Read More

View Article
September 2018
1 Read

Survey and Phylogenetic Analysis of Rodents and Important Rodent-Borne Zoonotic Pathogens in Gedu, Bhutan.

Korean J Parasitol 2018 Oct 31;56(5):521-525. Epub 2018 Oct 31.

International Development Group, School of Veterinary Science, Massey University, Palmerston North, New Zealand.

Rodents are well-known reservoirs and vectors of many emerging and re-emerging infectious diseases, but little is known about their role in zoonotic disease transmission in Bhutan. In this study, a cross-sectional investigation of zoonotic disease pathogens in rodents was performed in Chukha district, Bhutan, where a high incidence of scrub typhus and cases of acute undifferentiated febrile illness had been reported in people during the preceding 4-6 months. Twelve rodents were trapped alive using wire-mesh traps. Read More

View Article
October 2018
4 Reads

The relationship between ehrlichiosis and the development of hematologic malignancies.

Med Hypotheses 2018 Dec 14;121:57-59. Epub 2018 Sep 14.

Rush University Medical Center, Division of Hematology/Oncology and Cell Therapy, 1725 W. Harrison, Suite 809, Chicago, IL 60612, United States. Electronic address:

Viral and bacterial infections cause chronic inflammation and produce bacterial metabolites that may lead to carcinogenesis. Ehrlichiosis is an intracellular infection that primarily infects white blood cells. Given that infections can lead to cancer, and that Ehrlichia has tropism for white blood cells, it can be deduced that Ehrlichia may cause hematologic malignancies, such as acute leukemia. Read More

View Article
December 2018
2 Reads

Current Status of Tick-Borne Diseases in South Korea.

Vector Borne Zoonotic Dis 2018 Oct 17. Epub 2018 Oct 17.

1 Department of Internal Medicine and Inha University School of Medicine , Incheon, Republic of Korea.

Background: Bites with tick-borne pathogens can cause various bacterial, viral, or parasitic diseases in humans. Tick-transmitted diseases are known as contributing factors to the increasing incidence and burden of diseases. The present article investigated the epidemiology of tick-borne diseases in South Korea. Read More

View Article
October 2018
2 Reads

Prevalence of canine Babesia and Ehrlichia co-infection and the predictive value of haematology.

Onderstepoort J Vet Res 2018 Oct 9;85(1):e1-e5. Epub 2018 Oct 9.

Department of Companion Animal Clinical Studies, University of Pretoria.

Canine babesiosis and ehrlichiosis are important tick-borne infections in South Africa. Many South African general veterinary practitioners perceive co-infection with Ehrlichia spp. as a common occurrence in dogs with babesiosis. Read More

View Article
October 2018
4 Reads

Epidemiology of Ehrlichia canis in healthy dogs from the Southeastern region of the state of Rio de Janeiro, Brazil.

Prev Vet Med 2018 Nov 14;159:135-142. Epub 2018 Sep 14.

Department of Epidemiology and Public Health, Veterinary Institute, Federal Rural University of Rio de Janeiro, Br 465, km 7, Seropedica, Rio de Janeiro, 23897-000, Brazil. Electronic address:

This cross-sectional, observational, and descriptive study aims to investigate the epidemiology of Ehrlichia canis in healthy owned dogs from the Southeastern region of Rio de Janeiro, Brazil. Blood samples were collected from 390 households dogs. During the visits, an epidemiological questionnaire was filled out concerning the dogs' characteristics as well as the environments in which they lived. Read More

View Article
November 2018
5 Reads

Ehrlichiosis masquerading as thrombotic thrombocytopenic purpura.

BMJ Case Rep 2018 Oct 2;2018. Epub 2018 Oct 2.

Department of Pulmonary and Critical Care Medicine, University of Louisville, Louisville, Kentucky, USA.

Ehrlichiosis is a rare tickborne illness that can manifest from an asymptomatic, self-limiting disease to a severe presentation with encephalopathy and renal failure. Ehrlichiosis is diagnosed largely based on patient history with confirmatory tests including peripheral blood smear, serology and PCR. Empiric treatment is warranted in patients with suspected tick bites as a delay in treatment can result in multiorgan failure. Read More

View Article
October 2018
2 Reads

Development and Clinical Validation of a Multiplex Real-Time Quantitative PCR Assay for Human Infection by Anaplasma phagocytophilum and Ehrlichia chaffeensis.

Trop Med Infect Dis 2018 Jan 29;3(1). Epub 2018 Jan 29.

Joint Departments of Pathology, F. Edward Hebert School of Medicine, Uniformed Services University of the Health Sciences, Walter Reed National Military Medical Center, Joint Pathology Center, Bethesda, MD 20814, USA.

Background: Human granulocytic anaplasmosis (HGA), caused by , and human monocytic ehrlichiosis (HME), caused by , often present as undifferentiated fever but are not treated by typical empiric regimens for acute febrile illness. Their role as agents of vector-borne febrile disease in tropical regions is more poorly studied than for other rickettsial infections. Limitations in diagnosis have impaired epidemiologic and clinical research and needless morbidity and mortality occur due to untreated illness. Read More

View Article
January 2018
5 Reads

Large-scale health disparities associated with Lyme disease and human monocytic ehrlichiosis in the United States, 2007-2013.

PLoS One 2018 27;13(9):e0204609. Epub 2018 Sep 27.

Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, United States of America.

Promoting health equity is a fundamental public health objective, yet health disparities remain largely overlooked in studies of vectorborne diseases, especially those transmitted by ticks. We sought to identify health disparities associated with Lyme disease and human monocytic ehrlichiosis, two of the most pervasive tickborne diseases within the United States. We used general linear mixed models to measure associations between county-level disease incidence and six variables representing racial/ethnic and socioeconomic characteristics of counties (percent white non-Hispanic; percent with a bachelors degree or higher; percent living below the poverty line; percent unemployed; percent of housing units vacant; per capita number of property crimes). Read More

View Article
September 2018
1 Read

Prevalence of Canine Monocytic Ehrlichiosis in Canine Population Across India.

Arch Razi Inst 2018 Jun 1;73(2):87-93. Epub 2018 Mar 1.

Biotechnology Section, Central Military Veterinary Laboratory, remount Veterinary Corps, Meerut Cantt, Uttar Pradesh, 250001, India.

Canine ehrlichiosis is a very important emerging disease in India. This study is the first attempt screening a large number of canines in India for the detection of canine monocytic ehrlichiosis. In the present study, 510 blood samples of dogs were screened for the presence of Ehrlichia canis and other variants of Anaplasmataceae family by serological and molecular methods. Read More

View Article

Exposure to Ticks and their Pathogens in Northeast Missouri.

Authors:
Deborah A Hudman

Mo Med 2018 Jul-Aug;115(4):374-379

Deborah A. Hudman, MS, is in the Department of Microbiology/Immunology, A.T. Still University Kirksville College of Osteopathic Medicine.

While the prevalence of human pathogens has been quantified in ticks in Adair County, Missouri, the prevalence of residents acquiring tick-borne diseases and seeking medical treatment has not. A public survey (n=109) revealed that 96% of respondents reported finding attached ticks on their person; of these, 38% developed symptoms post tick bite; of these, 55% reported consultation with a health care provider. Overall, 89% of practitioners surveyed had treated at least one patient for tick-borne disease. Read More

View Article
September 2018
3 Reads

Successful Infection of Tick Cell Cultures of Rhipicephalus sanguineus (Tropical Lineage) with Ehrlichia canis.

Vector Borne Zoonotic Dis 2018 Sep 17. Epub 2018 Sep 17.

6 Federal University of Uberlândia , Uberlândia, Brazil .

There are two distinct lineages of ticks, Rhipicephalus sanguineus, in South America: tropical and temperate lineages. Only the tropical lineage is recognized as competent vector for Ehrlichia canis. The epidemiological data of canine monocytic ehrlichiosis is congruent with the distribution of the two lineages of R. Read More

View Article
September 2018

Tick-borne zoonoses in the Order Rickettsiales and Legionellales in Iran: A systematic review.

PLoS Negl Trop Dis 2018 Sep 11;12(9):e0006722. Epub 2018 Sep 11.

Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran.

Background: Tick-borne zoonoses in the Order Rickettsiales and Legionellales cause infections that often manifest as undifferentiated fevers that are not easy to distinguish from other causes of acute febrile illnesses clinically. This is partly attributed to difficulty in laboratory confirmation since convalescent sera, specific diagnostic reagents, and the required expertise may not be readily available. As a result, a number of tick-borne zoonoses are underappreciated resulting in unnecessary morbidity, mortality and huge economic loses. Read More

View Article
September 2018
21 Reads

Tick-Borne Illnesses in the United States.

Prim Care 2018 Sep 9;45(3):379-391. Epub 2018 Jul 9.

Division of Infectious Diseases, Department of Internal Medicine, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA.

Close interaction with nature can lead to tick-borne illnesses, which are seen most frequently in primary care clinics when patients present symptoms. Considerable morbidity can result from untreated infections. Fortunately, these illnesses are often easily managed when diagnosed early. Read More

View Article
September 2018
17 Reads

Detection of Anaplasmataceae agents and co-infection with other tick-borne protozoa in dogs and Rhipicephalus sanguineus sensu lato ticks.

Exp Appl Acarol 2018 Aug 2;75(4):429-435. Epub 2018 Aug 2.

Tropical Infectious Diseases Research and Education Centre (TIDREC), University of Malaya, Kuala Lumpur, Malaysia.

Anaplasmosis and ehrlichiosis are of serious health concern worldwide for animals and humans. In the present study, we report the occurrence of Anaplasma platys and Ehrlichia canis in dogs and Rhipicephalus sanguineus sensu lato (s.l. Read More

View Article
August 2018
1.620 Impact Factor

Diagnosing Meat Allergy After Tick Bite Without Delay.

J Am Board Fam Med 2018 Jul-Aug;31(4):650-652

From Jersey Shore University Medical Center, Neptune, NJ (ACK, MPC).

Galactose-α-1, 3 galactose (α-gal) is a carbohydrate found in mammalian meat. In 2007, it was implicated as a cause of severe hypersensitivity reactions when a study found elevated levels of antibodies directed against this oligosaccharide among patients treated with cetuximab, a monoclonal antibody that contained an α -gal epitope. The majority of these cases were reported in the Southeast United States in a distribution similar to that of Rocky Mountain spotted fever and ehrlichiosis, and that geographic association led researchers to the conclusion that a bite from the Lone Star tick can induce this antibody. Read More

View Article
October 2017
7 Reads

Unexpected cause of fever in a patient with untreated HIV.

BMJ Case Rep 2018 Jul 3;2018. Epub 2018 Jul 3.

Department of Internal Medicine, Allegheny Health Network, Pittsburgh, Pennsylvania, USA.

We report a case of a 27-year-old man with a history of untreated HIV who presented with fever, rash and leg cramps. Initial suspicion was high for an infectious process; however, after an exhaustive evaluation, thyrotoxicosis was revealed as the aetiology of his symptoms. Recent intravenous contrast administration complicated his workup to determine the exact cause of hyperthyroidism. Read More

View Article
July 2018
15 Reads

Serological Evidence of Borrelia burgdorferi, Anaplasma phagocytophilum and Ehrlichia Spp. Infections in Horses from Southeastern Bulgaria.

Vector Borne Zoonotic Dis 2018 11 3;18(11):588-594. Epub 2018 Jul 3.

4 Department of Infectious Diseases, Military Medical Academy , Sofia, Bulgaria .

Lyme Borreliosis and granulocytic anaplasmosis are less extensively studied in horses than in dogs and humans. Equine ehrlichiosis is not known in Europe and is in the initial stage of investigation in South, Central, and North America. The aim of this study was to determine the seroprevalence of these infections in Bulgaria. Read More

View Article
November 2018
13 Reads

Molecular survey and characterization of Theileria annulata and Ehrlichia ruminantium in cattle from Northwest China.

Parasitol Int 2018 Dec 27;67(6):679-683. Epub 2018 Jun 27.

National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan. Electronic address:

Theileriosis and ehrlichiosis are two important tick-borne diseases affecting cattle farming in China. However, limited information is available regarding prevalence and molecular characterization of Theileria annulata and Ehrlichia ruminantium in cattle in Xinjiang Uygur Autonomous Region (XUAR), northwestern China. In this study, a total of 176 blood samples of cattle from three rural areas of XUAR were collected in June 2017 and were tested by nested-PCR. Read More

View Article
December 2018
7 Reads

Protein and DNA synthesis demonstrated in cell-free Ehrlichia chaffeensis organisms in axenic medium.

Sci Rep 2018 Jun 18;8(1):9293. Epub 2018 Jun 18.

Center of Excellence for Vector-Borne Diseases, Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS, 66506, USA.

Ehrlichia chaffeensis, a tick-transmitted rickettsial bacterium, is the causative agent of human monocytic ehrlichiosis. Biochemical characterization of this and other related Rickettsiales remains a major challenge, as they require a host cell for their replication. We investigated the use of an axenic medium for E. Read More

View Article
June 2018
3 Reads

A new TaqMan method for the reliable diagnosis of Ehrlichia spp. in canine whole blood.

Parasit Vectors 2018 Jun 18;11(1):350. Epub 2018 Jun 18.

ERBA Molecular, Bartholomew's Walk, Cambridgeshire Business Park, Ely, Cambridgeshire, CB7 4EA, UK.

Background: Ehrlichiosis is an important emerging infectious disease of the canid family and humans worldwide. To date, no extensive evaluation or validation of a molecular diagnostic test for ehrlichiosis has been published. Here, we present data for a newly designed TaqMan assay and compare its performance to a commercial technology (PCRun®). Read More

View Article
June 2018
5 Reads

Detection of Ehrlichia ruminantium infection in cattle in Cameroon.

BMC Res Notes 2018 Jun 14;11(1):388. Epub 2018 Jun 14.

Laboratory for Emerging Infectious Diseases, University of Buea, P. O. Box 63, Buea, Cameroon.

Objectives: Ehrlichia ruminantium infection (heartwater) is a major constraint that impacts negatively on the cattle industry development in sub-Saharan Africa and so far, little is known of the presence of heartwater in cattle in Cameroon. This study sought to investigate the prevalence of E. ruminantium infection in cattle in Cameroon and to determine the predictors of infection. Read More

View Article
June 2018
6 Reads

Investigation on Ehrlichia Infection in Small Mammals and Ticks from Tengchong, Yunnan Province, Southern China.

Vector Borne Zoonotic Dis 2018 10 13;18(10):563-566. Epub 2018 Jun 13.

2 State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology , Beijing, P.R. China .

Background: Rare investigation on tick-borne pathogens was carried out in Yunnan, China. In this study, we did a survey on Ehrlichia infection in small mammals and ticks. A total of 40 small mammals and 49 ticks were collected from Tengchong, Yunnan province. Read More

View Article
October 2018
35 Reads

Two different genogroups of Ehrlichia canis from dogs in Thailand using immunodominant protein genes.

Infect Genet Evol 2018 Sep 28;63:116-125. Epub 2018 May 28.

Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50100, Thailand; Excellence Center in Veterinary Bioscience, Chiang Mai University, Chiang Mai 50100, Thailand. Electronic address:

Ehrlichia canis is the causative agent of canine monocytic ehrlichiosis (CME). While there is a high prevalence of CME in Thailand, genetic diversity of E. canis is still poorly defined. Read More

View Article
September 2018
7 Reads
3.020 Impact Factor

Molecular detection of Ehrlichia canis in dogs from three districts in Punjab (Pakistan).

Vet Med Sci 2018 05 7;4(2):126-132. Epub 2018 Feb 7.

Institute of Pure and Applied Biology, Zoology Division, Bahauddin Zakariya University, Multan, Pakistan.

Canine monocytic ehrlichiosis is a tick-borne disease caused by an intracellular alpha-proteobacterium, Ehrlichia canis, which replicates within mononuclear cells in the host. This study was designed to use a polymerase chain reaction (PCR) protocol for the molecular detection of E. canis by the amplification of a portion of its 16S rRNA gene, as well as the effects of this alpha-proteobacterium on the haematological parameters of the sampled dogs and the risk factors associated with E. Read More

View Article
May 2018
9 Reads

Case 16-2018: A 45-Year-Old Man with Fever, Thrombocytopenia, and Elevated Aminotransferase Levels.

N Engl J Med 2018 May;378(21):2023-2029

From the Departments of Medicine (K.J.K., A.A.W.) and Pathology (J.A.B.), Massachusetts General Hospital, and the Departments of Medicine (K.J.K., A.A.W.) and Pathology (J.A.B.), Harvard Medical School - both in Boston.

View Article
May 2018
1 Read

Molecular epidemiology of parasitic protozoa and Ehrlichia canis in wildlife in Madrid (central Spain).

Parasitol Res 2018 Jul 18;117(7):2291-2298. Epub 2018 May 18.

Departamento de Biomedicina y Biotecnología, Laboratorio de Parasitología, Grupo ECOMYP, Facultad de Farmacia, Universidad de Alcalá, 28805, Alcalá de Henares, Madrid, Spain.

Wildlife species are involved in the transmission of diverse pathogens. This study aimed to monitor raccoons (Procyon lotor), American minks (Neovison vison), and red foxes (Vulpes vulpes) as potential reservoirs in central Spain. Specifically, 200 spleen and fecal samples (from 194 raccoons, 3 minks, and 3 foxes) were analyzed molecularly by PCR/qPCR and sequencing for the presence of piroplasmids, Hepatozoon spp. Read More

View Article

Ehrlichia muris in Ixodes cookei Ticks, Northeastern United States, 2016-2017.

Emerg Infect Dis 2018 06;24(6):1143-1144

Ehrlichia muris is an agent of human ehrlichiosis. To determine its geographic spread in the United States, during 2016-2017, we tested 8,760 ticks from 45 states. A distinct clade of E. Read More

View Article

Characteristics of hemostasis during experimental Ehrlichia canis infection.

J Vet Intern Med 2018 Jul 27;32(4):1334-1342. Epub 2018 Apr 27.

Department of Clinical Sciences, Colorado State University, Fort Collins, Colorado, CO.

Background: Ehrlichia canis infection in dogs can cause thrombocytopenia and clinical evidence of bleeding. It is unknown why some dogs show signs of bleeding whereas others do not despite clinically relevant thrombocytopenia.

Hypothesis/objectives: Activated platelets, decreased fibrinolysis or both mitigate bleeding tendency. Read More

View Article
July 2018
1 Read

Impact of Three Different Mutations in Ehrlichia chaffeensis in Altering the Global Gene Expression Patterns.

Sci Rep 2018 Apr 18;8(1):6162. Epub 2018 Apr 18.

Center of Excellence for Vector-Borne Diseases, Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas, 66506, USA.

The rickettsial pathogen Ehrlichia chaffeensis causes a tick-borne disease, human monocytic ehrlichiosis. Mutations within certain genomic locations of the pathogen aid in understanding the pathogenesis and in developing attenuated vaccines. Our previous studies demonstrated that mutations in different genomic sites in E. Read More

View Article
April 2018
3 Reads

Graft loss attributed to possible transfusion-transmitted ehrlichiosis following cord blood stem cell transplant.

Transpl Infect Dis 2018 Aug 7;20(4):e12899. Epub 2018 May 7.

Department of Infectious Diseases, Infection Control and Employee Health, Division of Internal Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas, USA.

We present a case of possible transfusion-transmitted Ehrlichia chaffeensis infection in a heavily transfused cord blood transplant recipient, resulting in severe infection and graft loss. Transfusion-transmitted, vector-borne infections in immunocompromised individuals can have severe consequences, and should be considered in hospitalized patients receiving blood products with unexplained fever or sepsis. Read More

View Article
August 2018
7 Reads

A lifelong study of a pack Rhodesian ridgeback dogs reveals subclinical and clinical tick-borne Anaplasma phagocytophilum infections with possible reinfection or persistence.

Parasit Vectors 2018 04 12;11(1):238. Epub 2018 Apr 12.

Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands.

Background: Various tick-borne infections often occur without specific clinical signs and are therefore notoriously hard to diagnose separately in veterinary practice. Longitudinal studies over multiple tick seasons performing clinical, serological and molecular investigations in parallel, may elucidate the relationship between infection and disease. In this regard, six related Rhodesian Ridgeback dogs living as a pack became subject of lifetime studies due to ongoing tick infestations and recurring clinical problems. Read More

View Article
April 2018
6 Reads

TRP75 Interacts with Host Cell Targets Involved in Homeostasis, Cytoskeleton Organization, and Apoptosis Regulation To Promote Infection.

mSphere 2018 04 11;3(2). Epub 2018 Apr 11.

Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA

is an obligately intracellular bacterium that exhibits tropism for mononuclear phagocytes. The mechanisms involved in infection of the host cell and evasion of host defenses are not fully defined, but a subset of type 1 secreted tandem repeat protein (TRP) effectors play important roles. Recently, we determined molecular interactions of TRP120, TRP47, and TRP32 with the eukaryotic host cell. Read More

View Article
April 2018
8 Reads

Ehrlichia chaffeensis TRP120 nucleomodulin binds DNA with disordered tandem repeat domain.

PLoS One 2018 11;13(4):e0194891. Epub 2018 Apr 11.

Department of Biochemistry and Molecular Biology, Sealy Center for Structural Biology and Molecular Biophysics, University of Texas Medical Branch, Galveston, Texas, United States of America.

Ehrlichia chaffeensis, the causative agent of human monocytotropic ehrlichiosis, secretes several effector proteins that bind host DNA to modulate host gene expression. The tandem repeat protein 120 (TRP120), one of the largest effector proteins, has four nearly identical tandem repeat (TR) regions that each consists of 80 amino acids. In addition to playing a role in ehrlichial binding and internalization, TRP120 translocates to the host nucleus where it is thought to function as a transcription factor that modulates gene expression. Read More

View Article

Tick-borne haemoparasites and Anaplasmataceae in domestic dogs in Zambia.

Ticks Tick Borne Dis 2018 05 26;9(4):988-995. Epub 2018 Mar 26.

Laboratory of Parasitology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan. Electronic address:

Tick-borne diseases (TBDs), including emerging and re-emerging infectious diseases, are important threats to human and animal health worldwide. Indeed, the number of reported human and animal infectious cases of novel TBD agents has increased in recent decades. However, TBDs tend to be neglected, especially in resource-limited countries that often have limited diagnostic capacity. Read More

View Article
May 2018
1 Read

The occurrence of Anaplasmataceae in European populations of invasive carnivores.

Ticks Tick Borne Dis 2018 05 16;9(4):934-937. Epub 2018 Mar 16.

Department of Parasitology, Institute of Genetics and Microbiology, University of Wrocław, Poland.

The raccoon (Procyon lotor) and the raccoon dog (Nyctereutes procyonoides) belong to a group of the invasive species. The introduced species as potential reservoirs for vector-borne pathogens have been the subject of recent research, though there are still no data with reference to the European population of the raccoon, and few studies concern only the raccoon dog. This study shows the occurrence of Anaplasmataceae representatives in raccoons and a sympatric population of the raccoon dogs obtained from the area of Poland and Germany. Read More

View Article

Molecular Characterization and Phylogenetic Analysis of Anaplasma spp. and Ehrlichia spp. Isolated from Various Ticks in Southeastern and Northwestern Regions of Iran.

Vector Borne Zoonotic Dis 2018 05 20;18(5):252-257. Epub 2018 Mar 20.

9 Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences , Tehran, Iran .

Introduction: Anaplasma/Ehrlichia species are tick-transmitted pathogens that cause infections in humans and numerous domestic and wild animal species. There is no information available on the molecular characteristics and phylogenetic position of Anaplasma/Ehrlichia spp. isolated from tick species from different geographic locations in Iran. Read More

View Article
May 2018
6 Reads

Detection and molecular characterisation of Ehrlichia canis in naturally infected dogs in South West Nigeria.

Acta Vet Hung 2018 03;66(1):85-95

1 Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, Federal University of Agriculture Abeokuta , Nigeria.

Canine ehrlichiosis is an important tick-borne rickettsial disease mainly caused by Ehrlichia canis. This study aimed to detect and characterise E. canis in dogs in Abeokuta, Nigeria by microscopy and nested PCR. Read More

View Article
March 2018
7 Reads

Tick- and fly-borne bacteria in ungulates: the prevalence of Anaplasma phagocytophilum, haemoplasmas and rickettsiae in water buffalo and deer species in Central Europe, Hungary.

BMC Vet Res 2018 Mar 20;14(1):98. Epub 2018 Mar 20.

Clinical Laboratory and Center for Clinical Studies, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.

Background: Hunting constitutes an important industry in Europe. However, data on the prevalence of vector-borne bacteria in large game animal species are lacking from several countries. Blood or spleen samples (239 and 270, respectively) were taken from red, fallow and roe deer, as well as from water buffaloes, mouflons and wild boars in Hungary, followed by DNA extraction and molecular analyses for Anaplasma phagocytophilum, haemoplasmas and rickettsiae. Read More

View Article
March 2018
6 Reads

What's eating you? clinical manifestations of Dermacentor tick bites.

Cutis 2018 Jan;101(1):19;20;36

Department of Dermatology and Dermatologic Surgery, Medical University of South Carolina, Charleston, USA.

Dermacentor ticks are hard ticks found throughout most of North America and are easily identified by their large size, ornate scutum, and prominent dorsal pits. They are important disease vectors and are implicated in transmission of Rocky Mountain spotted fever (RMSF), Colorado tick fever, tularemia, and erlichiosis. They also are an important cause of fatal tick paralysis. Read More

View Article
January 2018
13 Reads

Survey of Anaplasma phagocytophilum and Anaplasma sp. 'Omatjenne' infection in cattle in Africa with special reference to Ethiopia.

Parasit Vectors 2018 03 9;11(1):162. Epub 2018 Mar 9.

Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium.

Background: As evidence of the infection of domestic animals by Anaplasma phagocytophilum and Anaplasma sp. 'Omatjenne' is presently becoming available, understanding the epidemiological and ecological significance of infection is important to quantify the clinical and socio-economic impact of the diseases they cause.

Methods: The first aim of this study was to analyse the occurrence of A. Read More

View Article
March 2018
2 Reads

Co-circulation of different A. phagocytophilum variants within cattle herds and possible reservoir role for cattle.

Parasit Vectors 2018 03 9;11(1):163. Epub 2018 Mar 9.

UMR BIPAR, Ecole Nationale Vétérinaire d'Alfort, Anses, INRA, Université Paris-Est, Maisons-Alfort, France.

Background: Anaplasma phagocytophilum is a zoonotic tick-borne intracellular alpha-proteobacterium causing tick-borne fever, which leads to significant economic losses in domestic ruminants in Europe. Its epidemiological cycles are complex and reservoir host species of bovine strains have not yet been identified. Given that little genetic information is available on strains circulating within a defined bovine environment, our objective was to assess the genetic diversity of A. Read More

View Article

Complete Genome Sequence of Ehrlichia canis Strain YZ-1, Isolated from a Beagle with Fever and Thrombocytopenia.

Genome Announc 2018 Mar 1;6(9). Epub 2018 Mar 1.

College of Veterinary Medicine, Auburn University, Auburn, Alabama, USA

We report the complete genome sequence of strain YZ-1, which was isolated from a beagle with fever, anorexia, depression, lethargy, weight loss, and thrombocytopenia. is the tick-borne agent of canine and human monocytic ehrlichiosis. Read More

View Article
March 2018
4 Reads

First Molecular Evidence of Anaplasma phagocytophilum in Rodent Populations of Nanchang, China.

Jpn J Infect Dis 2018 Mar 28;71(2):129-133. Epub 2018 Feb 28.

Department of Disinfection and Vector Control, Nanchang Center for Disease Control and Prevention.

In this study, systematic surveillance of rodent populations in Nanchang of China and determination of Anaplasma phagocytophilum infection in rodents were performed. Between 2011 and 2015, 110,084 rodent snap traps were set in 4 counties and in the city center of Nanchang, China. Finally, 942 rodents were captured, with a relative density of 0. Read More

View Article
March 2018
7 Reads

Case of Human Infection with Anaplasma phagocytophilum in Inner Mongolia, China.

Jpn J Infect Dis 2018 Mar 28;71(2):155-157. Epub 2018 Feb 28.

Laboratory of Microbiology, Department of Food and Nutritional Sciences, Integrated Graduate School of Pharmaceutical and Nutritional Sciences, University of Shizuoka.

Anaplasma phagocytophilum is an obligate intracellular bacterium that causes febrile illness in humans and livestock. A 49-year-old woman was suffering from feverish symptoms, fatigue, arthralgia, general body pain, and anorexia for 2 weeks. Later, she visited the Bayannur Centers for Disease Control and Prevention Hospital in Inner Mongolia, China. Read More

View Article
March 2018
3 Reads

Occurrence of tick-borne haemoparasites in cattle in the Mungwi District, Northern Province, Zambia.

Ticks Tick Borne Dis 2018 03 16;9(3):707-717. Epub 2018 Feb 16.

Vectors and Vector-borne Diseases Research Programme, Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort 0110, South Africa. Electronic address:

Little is known about the occurrence of haemoparasites in cattle in communal grazing areas of Mungwi District of Northern Province, Zambia. Clinical signs and post mortem lesions are pathognomonic of mixed tick-borne infections especially babesiosis, anaplasmosis and East Coast fever. The main objective of this study was to screen selected communal herds of cattle for tick-borne haemoparasites, and identify the tick vectors associated with the high cattle mortalities due to suspected tick-borne diseases in the local breeds of cattle grazing along the banks of the Chambeshi River in Mungwi District, Northern Province, Zambia. Read More

View Article
March 2018
2 Reads