Medicine Experts

Ed Breitschwerdt

North Carolina State University
United States of America


Dr. Edward B. Breitschwerdt is a professor of medicine and infectious diseases at North Carolina State University College of Veterinary Medicine. He is also an adjunct professor of medicine at Duke University Medical Center, and a Diplomate, American College of Veterinary Internal Medicine (ACVIM). Dr. Breitschwerdt directs the Intracellular Pathogens Research Laboratory in the Institute for Comparative Medicine at North Carolina State University. He also co-directs the Vector Borne Diseases Diagnostic Laboratory and is the director of the NCSU-CVM Biosafety Level 3 Laboratory. A graduate of the University of Georgia, Breitschwerdt completed an internship and residency in Internal Medicine at the University of Missouri between 1974 and 1977. He has served as president of the Specialty of Internal Medicine and as chairman of the ACVIM Board of Regents. He is a former associate editor for the Journal of Veterinary Internal Medicine and was a founding member of the ACVIM Foundation. Breitschwerdt’s clinical interests include infectious diseases, immunology, and nephrology. For over 30 years, his research has emphasized vector-transmitted, intracellular pathogens. Most recently, he has contributed to cutting-edge research in the areas of animal and human bartonellosis. In addition to authoring numerous book chapters and proceedings, Dr. Breitschwerdt’s research group has published more that 350 manuscripts in peer-reviewed scientific journals. In 2012, he received the North Carolina State University Alumni Association Outstanding Research Award and in 2013 he received the Holladay Medal, the highest award bestowed on a faculty member at North Carolina State University.

Research Interest

Dr. Breitschwerdt's research emphasis has been on vector-transmitted, intracellular pathogens. Since 1984, he has supervised a biosafety level P-3 research laboratory and co-supervised the Tick-transmitted Diagnostic Laboratory.


  • Comparative medical features of canine and human bartonellosis.Breitschwerdt EB, RG Maggi. | Clin Microbiol Infect 15(Suppl.1):1-2; 2009.

  • Use of broad range 16S rDNA PCR in clinical microbiology.Sontakke S, MB Cadenas, RG Maggi, PPVP Diniz, EB Breitschwerdt: | J Microbiol Meth 76:217-225; 2009.

  • Detection of Bartonella henselae in the blood of two adult horses.Jones SL, RG Maggi, J Shuler, A Alward, EB Breitschwerdt: | J Vet Intern Med 22:495-498; 2008.

  • Bartonella spp. bacteremia in patients with neurological and neuro-cognitive dysfunction.Breitschwerdt EB, RG Maggi, WL Nicholson, NA Cherry, CW Woods: | J Clin Microbiol 46:2856-2861; 2008.

  • Rickettsia rickettsii transmission by a lonestar tick, North Carolina.Breitschwerdt EB, BC Hegarty, RG Maggi, PM Lantos, DM Aslett, JM Bradley: | 2011 May [Epub ahead of print]

  • Putative needle stick transmission of Bartonella vinsonii subsp. berkhoffii to a veterinarian.Oliveira AM, RG Maggi, CW Woods, EB Breitschwerdt: | J Vet Intern Med 24: 1229-1232; 2010.

  • Molecular evidence of perinatal transmission of Bartonella vinsonii subsp. berkhoffii and B. henselae to a child.Breitschwerdt EB, RG Maggi, P Farmer, PE Mascarelli: | J Clin Microbiol 48: 2289-2293, 2010.

  • Isolation or PCR amplification of Bartonella koehlerae from human blood.Breitschwerdt EB, RG Maggi, BR Mozayeni, JM Bradley, BC Hegarty, PE Mascarelli: | Parasites & Vectors 3: 76; 2010.

  • Bartonella vinsonii subsp. berkhoffii and Bartonella henselae in a father and daughter with neurological disease.Breitschwerdt EB, RG Maggi, PM Lantos, CW Woods, BC Hegarty, JM Bradley: | Parasites & Vectors 3: 29; 2010.

  • Molecular mechansims of Bartonella resistance to azithromycin, enrofloxacin and pradofloxacin.Biswas S, RG Maggi, MG Papich, EB Breitschwerdt: | J Antimicrob Chemother 65:581-582; 2010.

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