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https://www.readbyqxmd.com/read/28518034/relative-risk-for-ehrlichiosis-and-lyme-disease-in-an-area-where-vectors-for-both-are-sympatric-new-jersey-usa
#1
Andrea Egizi, Nina H Fefferman, Robert A Jordan
No abstract text is available yet for this article.
June 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28503372/endosymbiont-interference-and-microbial-diversity-of-the-pacific-coast-tick-dermacentor-occidentalis-in-san-diego-county-california
#2
Nikos Gurfield, Saran Grewal, Lynnie S Cua, Pedro J Torres, Scott T Kelley
The Pacific coast tick, Dermacentor occidentalis Marx, is found throughout California and can harbor agents that cause human diseases such as anaplasmosis, ehrlichiosis, tularemia, Rocky Mountain spotted fever and rickettsiosis 364D. Previous studies have demonstrated that nonpathogenic endosymbiotic bacteria can interfere with Rickettsia co-infections in other tick species. We hypothesized that within D. occidentalis ticks, interference may exist between different nonpathogenic endosymbiotic or nonendosymbiotic bacteria and Spotted Fever group Rickettsia (SFGR)...
2017: PeerJ
https://www.readbyqxmd.com/read/28457353/tick-borne-emerging-infections-ehrlichiosis-and-anaplasmosis
#3
REVIEW
Nahed Ismail, Jere W McBride
Human ehrlichiosis and anaplasmosis are acute febrile tick-borne infectious diseases caused by various members from the genera Ehrlichia and Anaplasma. Ehrlichia chaffeensis is the major etiologic agent of human monocytotropic ehrlichiosis (HME), while Anaplasma phagocytophilum is the major cause of human granulocytic anaplasmosis (HGA). The clinical manifestations of HME and HGA ranges from subclinical to potentially life-threatening diseases associated with multi-organ failure. Macrophages and neutrophils are the major target cells for Ehrlichia and Anaplasma, respectively...
June 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/28344412/clinical-and-hematobiochemical-response-in-canine-monocytic-ehrlichiosis-seropositive-dogs-of-punjab
#4
Manasa R Kottadamane, Pritpal Singh Dhaliwal, Lachhman Das Singla, Baljinder Kumar Bansal, Sanjeev Kumar Uppal
AIM: As in India especially, the Punjab state sero-prevalence and distribution of ehrlichiosis in relation to clinico-hematobiochemical response remains largely unexplored. Thus, this study was designed to determine the prevalence of vector (tick)-borne tropical canine pancytopenia caused by Ehrlichia canis through enzyme labeled ImmunoComb(®) (IC) assay in dogs from in and around Ludhiana, Punjab. Correlation of prevalence was made with various clinico-hematobiochemical parameters. MATERIALS AND METHODS: Seroprevalence study was carried out using IC(®) test kit (Biogal, Galed Labs)...
February 2017: Veterinary World
https://www.readbyqxmd.com/read/28331130/cytopenias-and-clonal-expansion-of-gamma-delta-t-cells-in-a-patient-with-anaplasmosis-a-potential-diagnostic-pitfall
#5
Daniel Marko, Anamarija M Perry, Arjuna Ponnampalam, Michel R Nasr
Human granulocytic anaplasmosis is a rare, tick-borne infectious disease caused by Anaplasma phagocytophilum. Herein, we report a rare case of human granulocytic anaplasmosis associated with cytopenias and clonal expansion of gamma/delta T-cells in the bone marrow. A 77-year old man presented multiple times to the emergency department complaining of muscle weakness. Complete blood count detected cytopenias and peripheral blood smear showed pseudo Pelger-Huet neutrophils. These findings prompted bone marrow evaluation with ancillary studies including flow cytometry, karyotyping and T-cell rearrangement studies...
2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28267780/the-eurasian-otter-lutra-lutra-as-a-potential-host-for-rickettsial-pathogens-in-southern-italy
#6
Mario Santoro, Nicola D'Alessio, Anna Cerrone, Maria Gabriella Lucibelli, Giorgia Borriello, Gaetano Aloise, Clementina Auriemma, Nunzia Riccone, Giorgio Galiero
Canine monocytic ehrlichiosis and rickettsiosis are zoonotic tick-borne diseases of canids caused by the intracellular obligate bacteria Ehrlichia canis and Rickettsia species respectively. In this study, we investigated using standard and real-time PCR and sequencing, the occurrence and molecular characterization of E. canis and Rickettsia species in the Eurasian otter (Lutra lutra) from the southern Italian population. Samples were screened by using molecular assays also for Neospora caninum, Toxoplasma gondii, Clamydophyla spp...
2017: PloS One
https://www.readbyqxmd.com/read/28247969/canine-pancytopoenia-in-a-mediterranean-region-a-retrospective-study-of-119-cases-2005-to-2013
#7
P S Frezoulis, E Angelidou, D Karnezi, I L Oikonomidis, M Kritsepi-Konstantinou, D Kasabalis, M E Mylonakis
OBJECTIVES: To further clarify the causes of pancytopoenia and to investigate whether underlying cause or severity were associated with survival in an area endemic for vector-borne pathogens. METHODS: Retrospective review of medical records of 119 dogs with and 238 dogs without pancytopoenia. RESULTS: Mixed-breed dogs and dogs younger than one year had higher odds of being pancytopoenic. The most common diagnoses included monocytic ehrlichiosis (n=42), leishmaniasis (n=28) and parvoviral enteritis (n=19)...
March 1, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28241784/genetic-profiling-for-anaplasma-and-ehrlichia-species-in-ticks-collected-in-the-eastern-cape-province-of-south-africa
#8
Benson C Iweriebor, Elia J Mmbaga, Abiodun Adegborioye, Aboi Igwaran, Larry C Obi, Anthony I Okoh
BACKGROUND: Anaplasma and Ehrlichia are emerging tick-borne pathogens that cause anaplasmosis and ehrlichiosis in humans and other animals worldwide. Infections caused by these pathogens are deadly if left untreated. There has been relatively no systematic survey of these pathogens among ticks in South Africa, thus necessitating this study. The presence of Anaplasma and Ehrlichia species were demonstrated by PCR in ticks collected from domestic ruminants at some selected communities in the Eastern Cape of South Africa...
February 27, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28131594/detection-of-borrelia-miyamotoi-and-other-tick-borne-pathogens-in-human-clinical-specimens-and-ixodes-scapularis-ticks-in-new-york-state-2012-2015
#9
Danielle Wroblewski, Linda Gebhardt, Melissa A Prusinski, Lisa J Meehan, Tanya A Halse, Kimberlee A Musser
Borrelia miyamotoi (Bm) is a recently emerging bacterial agent transmitted by several species of ixodid ticks. Diagnosis of Bm infection can be challenging, as the organism is not easily cultivable. We have developed and validated a multiplex real-time PCR to simultaneously identify Bm infection and the agents causing human granulocytic anaplasmosis and human monocytic ehrlichiosis, Anaplasma phagocytophilum and Ehrlichia chaffeensis, respectively. The assay is 100% specific; highly sensitive, detecting 11 gene copies of Bm DNA in both whole blood and cerebral spinal fluid; and provides rapid results in less than two hours...
January 16, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28076469/scoring-clinical-signs-can-help-diagnose-canine-visceral-leishmaniasis-in-a-highly-endemic-area-in-brazil
#10
Kleverton Ribeiro da Silva, Vitor Rosa Ramos de Mendonça, Kellen Matuzzy Silva, Leopoldo Fabrício Marçal do Nascimento, Antonio Ferreira Mendes-Sousa, Flaviane Alves de Pinho, Manoel Barral-Netto, Aldina Maria Prado Barral, Maria do Socorro Pires E Cruz
Canine visceral leishmaniasis (CVL) diagnosis is still a challenge in endemic areas with limited diagnostic resources. This study proposes a score with the potential to distinguish positive CVL cases from negative ones. We studied 265 dogs that tested positive for CVL on ELISA and parasitological tests. A score ranging between 0 and 19 was recorded on the basis of clinical signs. Dogs with CVL had an overall higher positivity of the majority of clinical signs than did dogs without CVL or with ehrlichiosis. Clinical signs such as enlarged lymph nodes (83...
January 1, 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28055326/prevalence-and-distribution-of-human-and-tick-infections-with-the-ehrlichia-muris-like-agent-and-anaplasma-phagocytophilum-in-wisconsin-2009-2015
#11
Darby S Murphy, Xia Lee, Scott R Larson, Diep K Hoang Johnson, Theoren Loo, Susan M Paskewitz
Ehrlichiosis and anaplasmosis are important emerging tickborne zoonoses that affect both humans and animals. Knowledge of the geographic distribution and prevalence of Ehrlichia spp. and Anaplasma phagocytophilum in Wisconsin is important information as a baseline for future comparisons. Reported human cases between 2009 and 2015 were identified using the Wisconsin Electronic Disease Surveillance System (WEDSS) and mapped by county of residence. Vector surveillance was established using ticks collected from animals by partners, including veterinary medical clinics, domestic animal shelters, and wildlife rehabilitation centers from 40 Wisconsin counties...
April 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28036138/early-diagnosis-of-ehrlichia-ewingii-infection-in-a-lung-transplant-recipient-by-peripheral-blood-smear
#12
Hariharan Regunath, Christian Rojas-Moreno, Juan P Olano, Richard D Hammer, William Salzer
Ehrlichiosis in lung transplant (LT) recipients is associated with severe outcomes. Ehrlichia ewingii is a less frequent cause of symptomatic ehrlichiosis, characterized by cytoplasmic inclusions (morulae) within circulating neutrophils. We report a case of E. ewingii infection in an LT recipient diagnosed promptly by blood smear exam and confirmed with molecular studies.
December 30, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28034594/awareness-of-tick-borne-disease-and-compliance-with-using-tick-preventive-products-of-dog-owners-in-hong-kong
#13
Maureen V Boost, Choi-Yin Tung, Claudia Hoi-Ki Ip, July Fung-Oi Man, Toni Wing-Tung Hui, Candy Fung-Yee Leung, Maggie Yuen-Wa Mak, Queeny Yuen, Margaret M O'Donoghue
Tick-borne disease in dogs is common in South-east Asia and includes babesiosis and ehrlichiosis. These diseases can be largely prevented by compliant use of tick preventive products. This study investigated knowledge of ticks and tick-borne disease and use of tick preventive agents by a large sample of dog owners in Hong Kong. A total of 492 valid questionnaires were completed by owners attending veterinary practices, approached by researchers at common dog-walking areas, or targeted via local social media sites for pet owners...
February 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28011735/occurrence-of-amblyomma-americanum-acari-ixodidae-and-human-infection-with-ehrlichia-chaffeensis-in-wisconsin-2008-2015
#14
Megan Christenson, Xia Lee, Scott Larson, Diep Hoang Johnson, Julia Jensen, Megan Meller, Susan Paskewitz
Because of the increasing incidence of human ehrlichiosis in Wisconsin, we assessed reports of human infections by Ehrlichia chaffeensis and the distribution of its vector, the lone star tick (Amblyomma americanum (L.)). From 2008 through 2015, 158 probable and confirmed human cases of E. chaffeensis infections were reported to the Wisconsin Department of Health Services. Five cases without travel history outside of Wisconsin were confirmed as E. chaffeensis by polymerase chain reaction. Surveillance for the vector occurred from 2008 through 2015 and was based on active and passive methods, including examination of white-tailed deer, collections from live-trapped small mammals, submissions of ticks removed from wild and domestic animals through the Wisconsin Surveillance of Animals for Ticks (SWAT) program, digital or physical submissions by the public to the University of Wisconsin Insect Diagnostic or Medical Entomology laboratories, and active tick dragging...
May 1, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/27977689/tick-borne-diseases-in-turkey-a-review-based-on-one-health-perspective
#15
REVIEW
Abdullah Inci, Alparslan Yildirim, Onder Duzlu, Mehmet Doganay, Serap Aksoy
The importance of tick-borne diseases is increasing all over the world, including Turkey. Global warming, environmental and ecological changes and the existence of suitable habitats increase the impact of ticks and result in frequent emergence or re-emergence of tick-borne diseases (TBDs) with zoonotic characteristics. In Turkey, almost 19 TBDs have been reported in animals and men, involving four protozoa (babesiosis, theileriosis, cytauxzoonosis, hepatozoonosis), one filarial nematode (acanthocheilonemasis), ten bacterial agents (anaplasmosis, ehrlichiosis, aegyptianellosis, tick-borne typhus, Candidatus Rickettsia vini, Lyme borreliosis, tick-borne relapsing fever [TBRF], tularaemia, bartonellosis, and hemoplasmosis), and four viral infections (tick-borne encephalitis [TBE], Crimean-Congo Haemorrhagic Fever [CCHF], louping-ill [LI], and lumpy skin disease [LSD])...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27929218/emerging-vector-borne-diseases
#16
REVIEW
Mark K Huntington, Jay Allison, Dilip Nair
Several mosquito-borne viral infections have recently emerged in North America; West Nile virus is the most common in the United States. Although West Nile virus generally causes a self-limited, flulike febrile illness, a serious neuroinvasive form may occur. Dengue is the most common vector-borne viral disease worldwide, and it has been a significant public health threat in the United States since 2009. Known as breakbone fever for its severe myalgias and arthralgias, dengue may cause a hemorrhagic syndrome...
October 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27914739/infection-by-mycobacterium-bovis-in-a-dog-from-brazil
#17
Vivianne Cambuí Figueiredo Rocha, Salomão Cambuí de Figueiredo, Cesar Alejandro Rodriguez Rosales, Camila Dias Porto, Julio Lopes Sequeira, José Soares Ferreira Neto, Antônio Carlos Paes, Vanessa Riesz Salgado
Tuberculosis (TB) is a chronic disease caused by bacteria belonging to the Mycobacterium tuberculosis complex (MtbC). This disease rarely affects dogs. Canine infections are usually caused by M. tuberculosis. Mycobacterium bovis infections are rare in dogs and associated with consumption of raw milk or contaminated products. Here, we report a Boxer dog who had a M. bovis infection and was admitted to a Brazilian veterinary hospital with a presumptive diagnosis of chronic ehrlichiosis. Despite receiving treatment for chronic ehrlichiosis, it progressed to death...
January 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/27898670/gray-wolf-exposure-to-emerging-vector-borne-diseases-in-wisconsin-with-comparison-to-domestic-dogs-and-humans
#18
Rocio F Jara, Adrian P Wydeven, Michael D Samuel
World-wide concern over emerging vector-borne diseases has increased in recent years for both animal and human health. In the United Sates, concern about vector-borne diseases in canines has focused on Lyme disease, anaplasmosis, ehrlichiosis, and heartworm which infect domestic and wild canids. Of these diseases, Lyme and anaplasmosis are also frequently diagnosed in humans. Gray wolves (Canis lupus) recolonized Wisconsin in the 1970s, and we evaluated their temporal and geographic patterns of exposure to these four vector-borne diseases in Wisconsin as the population expanded between 1985 and 2011...
2016: PloS One
https://www.readbyqxmd.com/read/27876946/evaluation-of-clinical-biochemical-and-haematological-markers-in-natural-infection-of-canine-monocytic-ehrlichiosis
#19
Rahul Parashar, Vikrant Sudan, Amit Kumar Jaiswal, Ashish Srivastava, Daya Shanker
Caanine monocytic ehrlichiosis caused by Ehrlichia canis has gained wider significance owing to its potential to inflict significant deleterious effect on the health of companion animals. In the present study, 46 confirmed ehrlichiosis positive dogs were evaluated for the alterations in clinical, haematological and biochemical attributes. Depression, anorexia, pyrexia, anaemia, weakness, jaundice, melana, vomition and diarrhoea were the main clinical symptoms onserved. Haematological alterations included pancytopenia especially thrombocytopenia...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27815656/efficacy-of-tagetes-minuta-asteraceae-essential-oil-against-rhipicephalus-sanguineus-acari-ixodidae-on-infested-dogs-and-in-vitro
#20
Elis Maressa Gonçalves da Silva, Vinicius da Silva Rodrigues, Jaciara de Oliveira Jorge, Carolina Fonseca Osava, Matias Pablo Juan Szabó, Marcos Valério Garcia, Renato Andreotti
Ticks from Rhipicephalus sanguineus complex are widely distributed in the world and one species from this complex is the most common tick on dogs in Brazil, notably in urban areas. This tick is a vector of several diseases. Among others it transmits the agent of canine Ehrlichiosis, a major dog infectious disease and the agent of Rocky Mountain spotted fever. This tick can spread rapidly and develop intolerable infestations within no time. Currently tick control is done with acaricides and demand for such drugs has grown fast...
December 2016: Experimental & Applied Acarology
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