B. Hegarty

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Coinfection with Multiple Tick-Borne Pathogens in a Walker Hound Kennel in North Carolina

C. Colitz, E. Breitschwerdt, K. Southwick, 1999, Journal of Clinical Microbiology.

Ehrlichia muris infection in a dog from Minnesota.

E. Breitschwerdt, M. Beall, B. Hegarty, 2012, Journal of veterinary internal medicine.

Comparison of serological and molecular panels for diagnosis of vector-borne diseases in dogs

E. Breitschwerdt, M. Levy, B. Hegarty, 2014, Parasites & Vectors.

A serological survey of tick-borne pathogens in dogs in North America and the Caribbean as assessed by Anaplasma phagocytophilum, A. platys, Ehrlichia canis, E. chaffeensis, E. ewingii, and Borrelia burgdorferi species-specific peptides

E. Breitschwerdt, B. Qurollo, M. Beall, 2014, Infection ecology & epidemiology.

A Bartonella vinsonii berkhoffii typing scheme based upon 16S-23S ITS and Pap31 sequences from dog, coyote, gray fox, and human isolates.

E. Breitschwerdt, B. Chomel, B. Hegarty, 2006, Molecular and cellular probes.

Serological Evidence of Exposure to Rickettsia, Bartonella,and Ehrlichia Species in Healthy or Leishmania infantum-Infected Dogs from Barcelona, Spain

E. Breitschwerdt, L. Ferrer, B. Hegarty, 2005 .

Visceral leishmaniasis in a New York foxhound kennel.

M. Gramiccia, E. Breitschwerdt, F. Steurer, 2002, Journal of veterinary internal medicine.

Bartonella spp. Bacteremia and Rheumatic Symptoms in Patients from Lyme Disease–endemic Region

E. Breitschwerdt, B. Hegarty, R. Maggi, 2012, Emerging infectious diseases.

Bartonella spp. bacteremia in high-risk immunocompetent patients.

E. Breitschwerdt, B. Hegarty, R. Maggi, 2011, Diagnostic microbiology and infectious disease.

Chronic canine ehrlichiosis (Ehrlichia canis): a retrospective study of 19 natural cases.

E. Breitschwerdt, C. Billinis, B. Hegarty, 2004, Journal of the American Animal Hospital Association.

Serological and molecular prevalence of Borrelia burgdorferi, Anaplasma phagocytophilum, and Ehrlichia species in dogs from Minnesota.

E. Breitschwerdt, J. Crawford, M. Beall, 2008, Vector borne and zoonotic diseases.

Sequential Evaluation of Dogs Naturally Infected withEhrlichia canis, Ehrlichia chaffeensis,Ehrlichia equi, Ehrlichia ewingii, orBartonella vinsonii

B. Hegarty, S. I. Hancock, E. B. Breitschwerdt, 1998, Journal of Clinical Microbiology.

Detection of medically important Ehrlichia by quantitative multicolor TaqMan real-time polymerase chain reaction of the dsb gene.

Yi-Wei Tang, E. Breitschwerdt, M. Labruna, 2005, The Journal of molecular diagnostics : JMD.

Comparison of an indirect immunofluorescence assay, western blot analysis, and a commercially available ELISA for detection of Ehrlichia canis antibodies in canine sera.

E. Breitschwerdt, B. Hegarty, T. O’Connor, 2006, American journal of veterinary research.

Case report: Molecular evidence of Anaplasma platys infection in two women from Venezuela.

E. Breitschwerdt, B. Qurollo, B. Hegarty, 2014, The American journal of tropical medicine and hygiene.

Comparative seroreactivity to Bartonella henselae and Bartonella quintana among cats from Israel and North Carolina.

E. Breitschwerdt, B. Hegarty, G. Baneth, 1996, Veterinary microbiology.

Bartonella quintana in Cynomolgus Monkey (Macaca fascicularis)

E. Breitschwerdt, B. Hegarty, P. Grosenstein, 2005, Emerging infectious diseases.

Rocky Mountain spotted fever vaccine in an animal model

B. Hegarty, J. Folds, D. Walker, 1983, Journal of clinical microbiology.

Dual infection with Ehrlichia chaffeensis and a spotted fever group rickettsia: a case report.

T. Gandhi, D. Sexton, E. Breitschwerdt, 1998, Emerging infectious diseases.

Efficacy of chloramphenicol, enrofloxacin, and tetracycline for treatment of experimental Rocky Mountain spotted fever in dogs

D. Aucoin, E. Breitschwerdt, M. Levy, 1991, Antimicrobial Agents and Chemotherapy.

Bartonella henselae IgG antibodies are prevalent in dogs from southeastern USA.

E. Breitschwerdt, B. Hegarty, J. Bradley, 2004, Veterinary research.

Analysis of Seroreactivity against Cell Culture–Derived Bartonella spp. Antigens in Dogs

E. Breitschwerdt, M. Lappin, B. Hegarty, 2013, Journal of veterinary internal medicine.

Bartonella Species as a Potential Cause of Epistaxis in Dogs

E. Breitschwerdt, B. Hegarty, R. Maggi, 2005, Journal of Clinical Microbiology.

Assessing the association between the geographic distribution of deer ticks and seropositivity rates to various tick-transmitted disease organisms in dogs.

E. Breitschwerdt, V. Hinrichsen, T. Mather, 2001, Journal of the American Veterinary Medical Association.

Role of Phospholipase-Associated Penetration Mechanism in Cell Injury by Rickettsia rickettsii

B. Hegarty, D. Walker, D. Walker, 1983, Infection and immunity.

Platelet-associated immunoglobulin (antiplatelet antibody) in canine Rocky Mountain spotted fever and ehrlichiosis.

E. Breitschwerdt, B. Hegarty, T. J. Thomas, 1999, Journal of the American Animal Hospital Association.

Canine bartonellosis: serological and molecular prevalence in Brazil and evidence of co-infection with Bartonella henselae and Bartonella vinsonii subsp. berkhoffii.

E. Breitschwerdt, M. B. Cadenas, B. Hegarty, 2007, Veterinary research.

Brazilian spotted fever in Espirito Santo, Brazil: description of a focus of infection in a new endemic region.

E. Breitschwerdt, R. Dietze, G. Corey, 1993, The American journal of tropical medicine and hygiene.

Evaluation of cell culture‐grown Bartonella antigens in immunofluorescent antibody assays for the serological diagnosis of bartonellosis in dogs

E. Breitschwerdt, B. Hegarty, A. Birkenheuer, 2018, Journal of veterinary internal medicine.

Serological and molecular analysis of feline vector-borne anaplasmosis and ehrlichiosis using species-specific peptides and PCR

E. Breitschwerdt, B. Qurollo, M. Beall, 2015, Parasites & Vectors.

Ecological diversity of Bartonella species infection among dogs and their owner in Virginia.

J. Rossmeisl, E. Breitschwerdt, B. Hegarty, 2011, Vector borne and zoonotic diseases.

Molecular Evidence Supporting Ehrlichia canis‐Like Infection in Cats

E. Breitschwerdt, M. Lappin, D. Bienzle, 2002, Journal of veterinary internal medicine.

Experimental Ehrlichia canis infection in the dog does not cause immunosuppression.

E. Breitschwerdt, B. Hegarty, P. Hess, 2006, Veterinary immunology and immunopathology.

Lack of evidence for perinatal transmission of canine granulocytic anaplasmosis from a bitch to her offspring.

E. Breitschwerdt, B. Hegarty, L. Kidd, 2009, Journal of the American Animal Hospital Association.

A serological study of exposure to arthropod-borne pathogens in dogs from northeastern Spain.

E. Breitschwerdt, J. Llull, B. Hegarty, 2006, Veterinary research.

Prevalence of Bartonella species antibodies and Bartonella species DNA in the blood of cats with and without fever

E. Breitschwerdt, M. Lappin, B. Hegarty, 2009, Journal of feline medicine and surgery.

Failure of imidocarb dipropionate to clear experimentally induced Ehrlichia canis infection in dogs.

E. Breitschwerdt, G. Hosgood, R. Corstvet, 2006, Journal of veterinary internal medicine.

Bartonella Species in Blood of Immunocompetent Persons with Animal and Arthropod Contact

C. Woods, E. Breitschwerdt, W. Nicholson, 2007, Emerging infectious diseases.

The Immunologic Response of Dogs to Bartonella Vinsonii Subspecies Berkhoffii Antigens: as Assessed by Western Immunoblot Analysis

E. Breitschwerdt, B. Chomel, B. Hegarty, 2003, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

Clinical relevance of annual screening using a commercial enzyme-linked immunosorbent assay (SNAP 3Dx) for canine ehrlichiosis.

E. Breitschwerdt, B. Hegarty, J. Bradley, 2009, Journal of the American Animal Hospital Association.

Prevalence of Ehrlichia canis, Anaplasma platys, Babesia canis vogeli, Hepatozoon canis, Bartonella vinsonii berkhoffii, and Rickettsia spp. in dogs from Grenada.

E. Breitschwerdt, M. Yabsley, B. Hegarty, 2008, Veterinary parasitology.

Hallucinations, Sensory Neuropathy, and Peripheral Visual Deficits in a Young Woman Infected with Bartonella koehlerae

C. Woods, E. Breitschwerdt, B. Hegarty, 2011, Journal of Clinical Microbiology.

PCR amplification of Bartonella koehlerae from human blood and enrichment blood cultures

E. Breitschwerdt, B. Hegarty, R. Maggi, 2010, Parasites & Vectors.

Infection of Fetal Feline Brain Cells in Culture with Bartonella henselae

E. Breitschwerdt, B. Hegarty, K. Muñana, 2001, Infection and Immunity.

Molecular Characterization of Rickettsia rickettsii Infecting Dogs and People in North Carolina

E. Breitschwerdt, B. Hegarty, L. Kidd, 2006, Annals of the New York Academy of Sciences.

Naturally Occurring Ehrlichia chaffeensis Infection in Two Prosimian Primate Species: Ring-tailed Lemurs (Lemur catta) and Ruffed Lemurs (Varecia variegata)

E. Breitschwerdt, B. Hegarty, J. Bradley, 2002, Emerging infectious diseases.

The histology of “taches noires” of boutonneuse fever and demonstration ofRickettsia conorii in them by immunofluorescence

B. Hegarty, D. Walker, M. R. Montenegro, 2004, Virchows Archiv A.

Bartonella henselae infection in a family experiencing neurological and neurocognitive abnormalities after woodlouse hunter spider bites

E. Breitschwerdt, B. Hegarty, R. Maggi, 2013, Parasites & Vectors.

Bartonella vinsonii subsp. berkhoffii and Bartonella henselae bacteremia in a father and daughter with neurological disease

C. Woods, E. Breitschwerdt, B. Hegarty, 2010, Parasites & Vectors.

Comparison of Anaplasma and Ehrlichia species-specific peptide ELISAs with whole organism-based immunofluorescent assays for serologic diagnosis of anaplasmosis and ehrlichiosis in dogs.

E. Breitschwerdt, B. Qurollo, M. Beall, 2021, American journal of veterinary research.

Serological and molecular analysis of feline vector-borne anaplasmosis and ehrlichiosis using species-specific peptides and PCR

E. Breitschwerdt, B. Qurollo, M. Beall, 2015, Parasites & Vectors.

Doxycycline clearance of experimentally induced chronic Ehrlichia canis infection in dogs.

E. Breitschwerdt, G. Hosgood, R. Corstvet, 2007, Journal of veterinary internal medicine.

Molecular Characterization of Bartonella vinsonii subsp. berkhoffii Genotype III

E. Breitschwerdt, M. B. Cadenas, B. Hegarty, 2008, Journal of Clinical Microbiology.

A survey of tick-borne bacteria and protozoa in naturally exposed dogs from Israel.

E. Breitschwerdt, B. Hegarty, J. Ryan, 1998, Veterinary parasitology.

Immunoblot Analysis of the Immunoglobulin G Response to Ehrlichia Canis in Dogs: An International Survey

E. Breitschwerdt, M. Levy, B. Hegarty, 1997, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

Intravascular persistence of Anaplasma platys, Ehrlichia chaffeensis, and Ehrlichia ewingii DNA in the blood of a dog and two family members

E. Breitschwerdt, B. Qurollo, B. Hegarty, 2014, Parasites & Vectors.

Evaluation of conventional and real-time PCR assays for detection and differentiation of Spotted Fever Group Rickettsia in dog blood.

E. Breitschwerdt, B. Hegarty, R. Maggi, 2008, Veterinary microbiology.

Anaplasma phagocytophilum infection (granulocytic anaplasmosis) in a dog from Vancouver Island.

E. Breitschwerdt, S. Lester, B. Hegarty, 2005, The Canadian veterinary journal = La revue veterinaire canadienne.

Prednisolone at anti-inflammatory or immunosuppressive dosages in conjunction with doxycycline does not potentiate the severity of Rickettsia rickettsii infection in dogs

E. Breitschwerdt, M. Papich, B. Hegarty, 1997, Antimicrobial agents and chemotherapy.

Regional seroreactivity and vector-borne disease co-exposures in dogs in the United States from 2004-2010: utility of canine surveillance.

E. Breitschwerdt, M. Levy, B. Qurollo, 2014, Vector borne and zoonotic diseases.

The low seroprevalence of tick-transmitted agents of disease in dogs from southern Ontario and Quebec.

E. Breitschwerdt, B. Hegarty, J. Webb, 2006, The Canadian veterinary journal = La revue veterinaire canadienne.

Seroprevalence of Ehrlichia canis, Ehrlichia equi, and Ehrlichia risticii in sick dogs from North Carolina and Virginia.

E. Breitschwerdt, B. Hegarty, J. Suksawat, 2000, Journal of veterinary internal medicine.

High prevalence of tick-borne pathogens in dogs from an Indian reservation in northeastern Arizona.

E. Breitschwerdt, M. Beall, B. Hegarty, 2010, Vector borne and zoonotic diseases.

Intraoperative Bleeding in Dogs from Grenada Seroreactive to Anaplasma platys and Ehrlichia canis

E. Breitschwerdt, B. Qurollo, B. Hegarty, 2014, Journal of veterinary internal medicine.

Experimental infection of dogs with Bartonella henselae and Bartonella vinsonii subsp. berkhoffii.

E. Breitschwerdt, B. Hegarty, R. Maggi, 2013, Veterinary immunology and immunopathology.

Efficacy of Doxycycline, Azithromycin, or Trovafloxacin for Treatment of Experimental Rocky Mountain Spotted Fever in Dogs

E. Breitschwerdt, M. Papich, B. Gilger, 1999, Antimicrobial Agents and Chemotherapy.

Doxycycline Hyclate Treatment of Experimental Canine Ehrlichiosis Followed by Challenge Inoculation with Two Ehrlichia canis Strains

E. Breitschwerdt, B. Hegarty, S. Hancock, 1998, Antimicrobial Agents and Chemotherapy.

Serologic and molecular evidence of coinfection with multiple vector-borne pathogens in dogs from Thailand.

E. Breitschwerdt, B. Hegarty, S. Hancock, 2001, Journal of veterinary internal medicine.

Bartonella Seroepidemiology in Dogs from North America, 2008–2014

E. Breitschwerdt, E. Lashnits, B. Hegarty, 2017, Journal of veterinary internal medicine.

Rickettsia rickettsii Transmission by a Lone Star Tick, North Carolina

E. Breitschwerdt, B. Hegarty, R. Maggi, 2011, Emerging infectious diseases.

Orchitis in two dogs with Rocky Mountain spotted fever.

C. Ober, D. Malarkey, E. Breitschwerdt, 2004, Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association.

The incidence of ehrlichial and rickettsial infection in patients with unexplained fever and recent history of tick bite in central North Carolina.

T. Gandhi, J. Dumler, D. Sexton, 1999, The Journal of infectious diseases.

Granulocytic ehrlichiosis in dogs from North Carolina and Virginia.

J. Dumler, E. Breitschwerdt, B. Hegarty, 1998, Journal of veterinary internal medicine.

Injury restricted to cells infected with spotted fever group rickettsiae in parabiotic chambers.

B. Hegarty, D. Walker, W. T. Firth, 1984, Acta tropica.

Molecular identification of Ehrlichia ewingii infection in dogs: 15 cases (1997-2001).

E. Breitschwerdt, B. Hegarty, E. Hawkins, 2003, Journal of the American Veterinary Medical Association.

Use of an insect cell culture growth medium to isolate bacteria from horses with effusive, fibrinous pericarditis: a preliminary study.

E. Breitschwerdt, B. Hegarty, R. Maggi, 2007, Veterinary Microbiology.

Serological and molecular evidence of exposure to arthropod-borne organisms in cats from northeastern Spain.

E. Breitschwerdt, J. Llull, Y. Espada, 2006, Veterinary microbiology.

The use of a polymerase chain reaction as a diagnostic test for Rocky Mountain spotted fever.

D. Sexton, E. Breitschwerdt, M. Levy, 1994, The American journal of tropical medicine and hygiene.

Potentially Novel Ehrlichia Species in Horses, Nicaragua

E. Breitschwerdt, B. Qurollo, B. Hegarty, 2015, Emerging infectious diseases.

Rocky Mountain Spotted Fever Vaccine: A Regional Need

B. Hegarty, M. R. Montenegro, G. Tringali, 1984, Southern medical journal.

Evaluation of the pathogenic potential of Rickettsia canada and Rickettsia prowazekii organisms in dogs.

E. Breitschwerdt, B. Hegarty, M. Davidson, 1995, Journal of the American Veterinary Medical Association.

Comparison of results for serologic testing and a polymerase chain reaction assay to determine the prevalence of stray dogs in eastern Tennessee seropositive to Ehrlichia canis.

E. Breitschwerdt, B. Hegarty, S. Kania, 2004, American journal of veterinary research.